Document 7ML8bjeEXKbL1Y6vaDgmq4XaB

o O'. / > // -TT-S-00227D(C0M-N33) ' 2 Ji'ij ", ". < __ i ' Lit. Fed. Spec. Tl-5-002270(330^) April 25, 1067 and--------------- - INTERIM RSVSIOii OF T?-3-2273 October 12, 1964 INTERIM FEI SP-vCIr _ OATTGN SEALING COMPOUTC; 2LASTCKE3IC TIPS, TV.J COMPOS;? (POP CALKING, SEALING, AND G_AZ_'.G _N 3CI-LINGS ANN This Interim Federal Specification was developed by the National Bureau of Standards, Washington, L. C. 20231, based upon currently available technical infcrraticn, It is reccrreridea that Federal agencies use is in procurereat and forward recorrer.datior.s for char.ges to the preparing activity at the address shown above. The General Services Adninistration has authorised the use of this Ir.terir Federal Specification as a valid exception to Federal Specification TT-S-2273, dated October 12, 1964, i. SCOPE AND CLASSIFICATION 1.1 Scope, This specification covers the properties of a two-cor.ponent cold-applied eiastor.eric type joint sealing coapovad (joint sealant), including curing agents, for sealing, calking and glaring operations in buildings, building areas (plazas, decks, paver.ents, etc.) and other types of construction. .. ... . 1.2 Classification. The sealing cor,pound shall be furnished in the following types and classes, as specified (see 6.2): Type 1 - Flow, self-leveling. Type 2 - Non-sag. Class A - Cor.pounds resistant to $0 percent total joint reverent (includes Type 1 ar.d Type 2), Class 5 - Corpounds resistant to 25 percent total joint reverent (includes Type 1 and Type 2). 2. APPLICABLE DOCUMENTS z.i Specification and standards. The following specifications and standards, of the issues in effect on date of invitation for bids or request for proposal, dorr a part of this specification to the extent specified1 herein: Federal Specifications: SS-R-406 - Road and Paving Materials: Methods of Sarpling and Testing, PP?-B-ojo - Box, Fiberboard. PPP-C-96 - Cans, Metal, 23 Gage and Leghter. P??-P-704 - Pails, Shipping, Steel (l through 12 gallon). Federal Standards: ' Fed, Std. No. 123 - Marking for Domestic Shiprent (Civilian Agencies). Fed, Test Method Std. No. 141 - Paint, Varnish, Lacquer and Related Materials; Methods of Inspection, Sampling, and Testing. Fed. Test Method Std. No, 601 - Rubber: Sampling and Testing. (Activities outside the Federal Govemrer.t ray obtain copies of Federal Specifications, Standards, and Handbooks as outlined under General Information in the Index of Federal Specifications and fsc 3 030 DSW 586648 ; ; ; l STLCOPCB4091982 Mss--- TT-S-002273(COM-333) cuandards and at she prices indicated in the Index. The Index, which includes cumulative monthly supplements as issued, is -or sale on a subscription basis by the Superintendent cl 1-ocu.T.er.ts, U. S. Government Printing Office, Washington, 0. C. 2C402.) (Single copies cf this specification and other product specifications required by activities outside the Federal Government for bidding purposes are available without charge at the General Services Administration Regional Offices in 3oston, New `fork, Washington, 0. C., Atlanta, Chicago, Kansas City, Mo., Fort Worth, Denver, San Francisco, Los Angeles, and Seattle, Wash.) (Federal Government activities may obtain copies of Federal Specifications, Standards, and Handbooks and the Index of Federal Specifications and Standards from established distribution points in their agencies.) "diltar/ Standards: .'_L--mTG-105 - Sampling Procedures and Tables for Inspection by Attributes. X1L-STD-129 - marking for Shipment and Storage. (Copies cf Military Specifications and Standards required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer,) 2.2 Other publications. The following documents form a part of this specification to the extant specified herein. Unless otherwise specified, the issues in effect on date of invitation for bids or request for proposal shall apply: American Scoter.- for Testir.r and Materials ARTM; Standards: C 510 - Method of Test for Staining and Color Change of One-cr-Two Part Joint Sealants. 1 1191 - Methods cf Testing Concrete Joint Sealers. (Copies of the above publications may be obtained from the American Society for Testing ar.d Materials, 191= Race Street, Philadelphia, Pennsylvania 19103, ) Uniform. Freight Classification Rules, Application for conies should he addressed to the Uniform Classification Committee, la :.-. Station, 51= Vf. Jackson 31vd. , Chicago, 111., 6C606.) National Motor Freight Classification Hules. (Application for copies should be addressed to the American Trucking Associations, Ir.c., ll6 ?*St., X. V., Washington, D. C., 20036.) 3. RZQUIHRMINTS 3.1 Material. The sealing compound shall be furnished in two components, a base component with suitable reinforcing agents, liquid or paste curing agents ar.d suitable extenders for on-the-job mixing. The resulting mixture shall be homogeneous and of proper consistency suitable for immediate application by hand or pressure calking gun, or by hand tool. The compound when completely cured shall form an elastomeric-type solid capable of maintaining a seal against water, wind, and dirt. 3.2 Types ar.d Classes. The sealant shall be available in two types and two classes as fellows: Type 1. (Self-leveling or flow) shall be a compound which has sufficient flow to give a^ ` smooth level surface when applied in a horizontal joint at temperatures between 40 and 122 F, Type 2. (Non-sag) shall be a compound which permits application in joints on vertical surfaces without sagging (slumping) at temperatures between 40 and 122 F. 2 DSW 586649 STLCOPCB4091983 TT-S-00227D(C OH-N3S) Class A - Compounds capable of resisting ccm.pression-exmer.sion cycllr.g of plus ar.i minus 25 persons of use nominal half ir.ch joint width, as specified in the Durability requirement {see -^.3.9.^. 1 Class n - Compounds capable of resisting conpressior.-extensicn cycling of puus and minus 12-1/2 percent of the nominal half inch joint width as specified in the Durability requirement (see -<.3.9.-'.2/. 3.3 Stability. The base compound and curing agent shall be stable for at least 12 .tenths fro." the tine of delivery-, when stored at a temperature .not exceeding SO ?, 3.1 Toxicity. Under normal application conditions and adequate ventilation, the compound shall not be considered toxic. 3.3 Detail requirements. 3.3.1 Color. The color of the sealant, after curing lw days at standard conditions of temperature ar.d relative humidity (see 9.3.1) shall be any specific color agreed upon by the purchaser and supplier (see 6,2). 3.3.2 Theological Properties. 3.5.2.1 TV?e 1 (flow, self-leveling) compound. The flow of a properly prepared type i compound shall be such that when tested as prescribed in 3,3.2,1 it shall exhibit a smooth level surface. 3.5.2.2 Type 2 (son-sag) compound. The flow of a properly' prepared type 2 compound shall be such that when tested as prescribed in 9,3.2.2 it shall not sag or flow more than j/l6 inch in vertical displacement. The compound shall show no deformation when tested as prescribed in 2.3.2.3. 3.3.3 Application life, A properly mixed compound shall have an application life of not less than 3 hours when tested as prescribed ir. v.3.3.r or a-,3.3.2. 3.5.9 Hardness properties. 3.5. -'.! Hardness at standard conditions, A properly' mixed compound after 19 days cure shall snow a hardness reading of not less than 15 nor more than $C when tested with a Durometer, type A, instantaneous method, as prescribed in 9.3,9.2. 3.5.^.2 Hardness after heat aging. A properly mixed compound after ? days cure at standard conditions followed by 21 days cure at Ipo^ + 2"'?. shall show a hardness reading of not more than oO for Type 1 compounds and not more than 56 lor Type 2 compounds when tested for indentation hardness as prescribed in 9,3.9.2. 3.5.5 weight loss, cracking, and chalking after heat aging. A properly mixed compound shall not rose more than 10 percent of its original weight, nor shall it show any cracks or chalking after heat treatment at 156F. (70C.) when tested as prescribed in 9,3,5. 3.5.6 Tacx-free time, A properly mixed compound shall cure to a tack-free condition in not more t.nan 72 hours from the time of mixing, when tested as prescribed in 9.3.6. 3.5.7 Stair, and color charge. A properly mixed compound shall not cause any visible stain on tne top surface of a white cement mortar base when tested as prescribed in 9,3.7. The conpounc. itself shall not show a degree of color change that is unacceptable to the purchaser when tested as prescribed in 9.3.7. Back-up material to be used with the sealant shall not cause any discoloration or staining of the sealant when tested as prescribed in 9,3.8. 3.5.S Durability. When tested as prescribed in 9.3.9 with standard mortar, glass and aluminum,cr any other specified substrate, the total loss in bond area and cohesion area and/or equivalent amount of sealant deformation among the 3 specimens tested (for each substrate), shall be less than 1 sq, in. 3 i DSW 586650 t t 1 STLCOPCB4091984 tt-s-oo227D.(co:-:-:;b3 ) 3.5.9 Adhesion-ir.-peei. her. nested as prescribed in 4.3.10 with standard mortar, glass ar.d aiu.tir.uc,or any other specified substrate, the peel strength for each individual test shall be not less than 5 pounds. In addition, the conpound shall show no .tore than 25 percent adhesion loss for each individual test. 3.6 Adhesion in peel after ultraviolet radiation through glass. Vfher tested as prescribed ir. 9.9 the requirements shall be the same as specified in 3.5.9. 3.7 Instructions. The proper mixing proportions, nixing equipment, as well as procedures for application, including the use of primers for specific substrates shall be included in the manufacturer's instructions. i. Quality assurance provisions T.i Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements specified herein. Except as otherwise specified the supplier may utilize his own facilities or any commercial laboratory acceptable to the Government, The Government reserves the right to perform, ar.y of the inspections set forth in the specification where such inspections are deemed necessary to assure that supplies ar.d services conform to the prescribed requirements, 1.2 Sampling ar.d inspection should be in accordance with methods 1011, 1021, and/or 1031 of Fed. Test Method Std. No. 191, as applicable, 9.3 Laboratory tests. 9.3.1 Standard conditions for laboratory tests. The standard conditions of temperature and relative humidity referred to in the following sections are defined as 73.4J 4 Z'' F. and pC ^ 5 percent, respectively. The sealant sample shall be held ir. the unopened container for at least 24 hours at standard conditions before the laboratory tests are started, 9.3.2 Rheological properties. 4.3.2.1 Type 1 (flow, seif-leveling compound). Apparatus ar.d accessory materials required are: (l) Controlled temperature box 90 4 2 F. ; (2) Stainless steel channel Type 3"--, , 2-3 finish, approximately No. lo gage) with ir.sice dimensions 3/4 inch wide, 1/2 inch deep, c ir.cr.es long ar.d closed at both ends (fig. la). Clean the channel with methyl ethyl ketone or similar solvent followed by a thorough cleaning with a detergent solution, a final rinse with distilled or deionized water ar.d air dried.^ 3efore preparing the test assembly expose the compound under test in the unopened container (base ar.d curing agent) for at least 24 hours at standard conditions Using at least ICO grams of base compound and appropriate amount of curing agent (unmixed; > condition for 16 to 2- ho'urs ar.d the charnel for at least 2 hours ir. the cold box at -.0 + 2'" ?. Remove the compound ar.d hand mix for 5 minutes. Return the mixed compound to the cold box for an additional JO minutes. After the jO minute period pour the compound into the channel held horizontally at 90 ~ 2 F. and maintain the specimen at this temperature for 9 hours. At tr.e end of this period examine for flow properties. 9.3.2.2 Type 2 (non-sag) compound, Vertical slump. Apparatus and accessory materials required for this test are: (l) Oven, convection type, controlled at 122 42 F.; (2) Cold box, controlled at 90 3 2" F.; (3) Two stainless steel channels (type 3C9, 2-3 finish, approximately No. 16 gage) with inside dimensions 3/9 inch wide, 1/2 inch deep, and 6 inches long with the tcp er.d open and the back surface extended 2 inches (fig. lb). Before preparing the test assemblies clear channels as described in 9.3.2.1. Condition base compound at standard conditions as described in 9.3.2^1. Expose the channels with open ends for 2 hours, one at 41' y 2J F. and the other at 122 + 2 F. Immediately before removing the conditioned channels from the cold box ar.d oven, hard mix at least 200 grams of base compound and appropriate amount of curing agent for 5 minutes. Remove channels from the respective chambers and fill them with compound within 10 minutes. The channels may be filled with a spatula and trimmed so that the /1 Methyl ethyl ketone and similar solvents are both toxic ar.d flammable and should be handled with caution in a well-ventilated hood. DSW 586651 STLCOPCB4091985 I TT-3-0o227D(CO:-'-:,-3S) sealant is flush with the face and ends of the channels. Return the filled channels to their respective chambers and set in a vertical position for a hours with the 2 inch extension at the case position. Ac the end of this period remove channels from the chambers and measure the sap at me lower ends to the nearest l/l6 inch. This is the distance that the bottom edge of the compound moves downward along the 2 inch extended back surface. 4.3.2.3 Type ~ (non-sag) compound, horizontal 'slump. Repeat the procedure described in 4.3.2.2 with ur.e following change: after filling the 2 channels return them to their respective chambers and set mem. in a horizontal position with the channels lying on the l/2 inch side. Am me end of the exposure period remove channels from the chambers and record any change in the configuration of the compound in the channels. 4.3.3 Application life, 4.3.3.1 Type - (flow, self-leveling) compound. Accessory materials recurred are: (!) 6-ounce capacity air powered calling gun; (2) Spaniard 6-our.ce polyethylene carpridge wiPh standard front opening (0.54 X .002 inch inside diameter); (j) 50 ?si air supply; (u) pint ccr.Pair.er; (5) second aimer. Place she unopened sample am standard conditions for am least 2- hours. At the end of she Condi opening period mix abouo 400 grams of base compound and appropriate amour,p of curing agent for about 5 minutes. After mixing completely fill the 6 ounce cartridge with plunger in place. Sec aside the filled cartridge in a vertical position at standard conditions for 3 hours. A.t the er.d of 3 hours with no nozzle added to the cartridge, gun out the compound at 50 ?si into an empty pint container (fig.2). Use a second timer to time the extrusion. The compound meets the requirement for application life if the time required to empty the cartridge does not exceed 20 seconds, 4.3.3.2 Type 2 (non-sag compound). The test procedure is the sate as that described in 4.3.3.1. -i".e compound meets the requirement for 3 hours application life if the time required to empty the cartridge does not exceed 45 seconds. . 4,3.4 Hardness property. .. 0,4.3.4.1 Hardness at standard conditions. Apparatus and materials required are: (l) Barometer, Model A.; (2) brass frame with inside dimensions 5 by i !/2 by 1/4 inch thick; (3) 2 aluminum, plates 3 by 6 inch (lc to 2d gage); (4) thin knife blade; (5) metal straight edge, Tr.e instrument used to measure hardness is a Barometer Kodel A described in Federal Test Method Standard No. 601, method 301. All readings snail be taken by the instantaneous method, using a pressure of about 522 grams. (To obtain precise readings the use cf a stand fitted with the standard 22 gram, load is recommended for holding the Barometer). procedure shall be carried out at standard conditions (fig. 3a-). After conditioning at least 2p0 grams of 'case compound and appropriate amount of curing agent for at least 24 hours at standard conditions,mix the components thoroughly for 5 minutes. Fill the frame, after centering it on tr.e aluminum plame, with a portion 00' tr.e sample and strike off fiat with a metal straightedge. Lift the frame from, the sealant after running a fair, blade along the inside of the frame (Fig. 3-A,B), Prepare two such specimens and cure them for 14 days at standard conditions. At the end of the 14 days fake 3 hardness readings on each specimen at standard conditions. The average of 6 readings is the accepted value. 4.3.4.2 Hardness after heat aging. Apparatus and materials required: (l) forced draft oven controlled at 155 X 2 ?. ; (2) Barometer, Model A; (3) brass frame with inside dimensions, 3 by 5 by 5/t inch thick; (h) 2 aluminum plates 3 by 6 inch (l6 to 24 gage); (5) thin knife bwaf.e; (6; metal straightedge. Prepare 2 specimens as described in 4.3.4.1 except tc make the thickness of the sealant layer 3/8 inch instead of 1/4 inch. Cure the specimens for ? days at star.uard conditions followed by 21 days ir. an oven at 155 + 2F. At the end of the over, curing period aulow the specimens to cool at standard conditions for at least 1 hour. Cut l/8 inch layer of seauant from half of the top surface of the specimen (fig. 3B-C'). Taxe 3 hardness readings or, the newly exposed surface of each specimen. The average of 6 readings is the accepted value. ' , 4.3.5 Weight loss, cracking, and chalking after heat aging. Apparatus ar.d materials required are:(l) forced draft oven controlled at 158 + 2 F. ; (2) balance sensitive to 0.01 g. ; (3/ materials listed in 4.3.4.1. After weighing the aluminum plates to the nearest 0,01 gram, prepare 2 specimens as described in 4.3.4.1 and weight specimens again. Expose speciner.s for 7 days at standard conditions. Following this exposure period, place specimens in an oven controlled at 153 3 2 F. for an additional 21 days. At the end of the heat treatment allow the specimens to cool for 1 hour and weigh to the nearest 0.01 gram. Calculate the percentage weight DSW 586652 STLCOPCB4091986 .TT-S-00227D(COM-KS3) loss of the compound based or. the original net weight of the compound. The average weight loss, ir. percent, of the specimens is the accepted value, Examine the specimens for chaining ar.i cracking. 1.3.6 Tack-free-tine, Accessory materials required are: (l) brass weight, 30 grate, aptroxitaiai; 1 5/3 by 1 by i/5 inch; (2; 2 polyethylene strips (clear), approximately 1 by 0,001 + 0,002 inen; ' (3) materials listed in 1,3,3.1. Prepare 2 specimens as described in 1.3.1.1. After exposing the specir.ens at standard conditions for ?2 hours, press the polyethylene film or. the top surface wits the brass weight (30 grans) for 30 seconds. Withdraw the film, progressively, at right angles to the compound (fig. 1). The sarple meets the requirement if the film pulls off from each of the two specir.ens without any sealant adhering to it. -'.3.7 Stain and color change. Perform the test in accordance with ASTM standard C-51C, Figure 5 i-lustrates the steps in the preparation of the stair, test specimens. -.3.6 Stain and discoloration effects of back-up material on sealing compound. Apparatus ant materials required are: (l) accelerated weathering machine as specified in A.3TM Standaro 3--513, three specimens prepared on aluminum plates (no mortar) as described in , uu '.........../ after preparing the specimens press a 5 inch strip of the back-up material lengthwise into the center of the sealant of one of tne specimens. using a small spatula, cover completely any expose! back-up material with a thin layer of additional sealant. Allow the 3 specimens to cure for 7 days at standard conditions. At the end of the curing period place the specimen wion the back-up material and or.e specimen without back-up material in the weathering machine for 100 hours (A2TM. Standard C-510;. leave third specim.er. at standard conditions. Remove specimens from veatr.errr.g machine after tr.e specified time and examine that for stain and discoloration and record results, 1.3.9 Durability (bond-cohesion). -.3.9.1 Extension machine and freezer. The machine used in this test shall be so designed that the test specimen car. be automatically compressed or extended at a continuous rate cd l/E inch per hour. For Class A. sealants the compression shall be 23 percent of tne nominal 1 "'2 inch joint width to 3/3 inch, and extension shall be 25 percent of the nc.mir.ai i/2 inch width ts 5-3 ir.cn. For Class 3 sealants the compression shall be 12 i/2 percent, to ?/- inch and the extension to 9/lt inch. The machine may be similar to tne one shown in fig. 6a, b,or the one described in SS-F.-lOo method 223.-1, or in A.5TM Standard S-llyl, as shown in fig, cc. The machines s.nt-ld be equipped with grips of sufficient thickness to resist elastomeric sealants with high tensile strength. A freecer or cold chamber is required tc^accomm.odate the extension macnir.e and snail be capable of maintaining a temperature of / 2 ?, -.3.9.2 Accessory materials. Tne standard accessory blocks and plates (substrates, used in tne test are: '1, Portland cement .. .r -, , 2 , plate glass; (3; aluminum alley. --' -.3.9.2.1 Mortar blocks. Cement mortar blocks, i by 1 by 3 inches shall be prepared ac described in 35-?.---15, method 223.11, paragraph 7.2, or in .-.STM Standard 3-1191. Except for the sisa of on. block and tne fact tn.at eacn block shall be surfaced by wet grinding or. an iron lap with Mo. tl silicon carbide or aluminum oxide abrasive grain, the specifications .noted above shall be followed. -.3.9.2.2 Plate glass. Glass accessory plates shall be l/l by 1 by 3 inch water-white plate glass. Prior to use, tne glass shall be cleaned as specified in 1.3.2.1 for steel channel. --.3.9.2.3 Aluminum, The aluminum plates shall be l/l by' 1 by 3 inch aluminum alloy, >53-75 or 6G6l-To clear anodized a minimum of 20 minutes over a scale free fir.iqh. Prior to use the a-uminum shale, oe cleaned as specified for tne steel channel ir. 1.3.2.1.--^ 1/ . otr.er suostrates suen as crick, cast stone, marbue, stain-ess steel, etc. may oe specie tea either ir. place of the standard materials, or in addition to them at the request of the purc.uaser, 2/ -Any nor.-porous accessory' material shall be cleaned as specified for the steel channel in 1.3.2.1. Porous accessory blocks, other than standard mortar, shall be dried and cleared as specified for mortar ir. 1.3.5.2.1. o DSW 586653 STLCOPCB4091987 I I t?-s-p22?d(:::-:-'3S) t.3.9.3 Preparation cf test specimens. Prepare three rest specimens for each. accessory material s:._o is used with the sample under rest, After conditioning the unopened sample for as ieass 29 hours as stsr.dsrd conditions,six for 5 minutes 250 grass of case compound with appropriate amount of curing agent. Apply a bead cf sealant l/2 by l/2 by 2 inches, between parallel 1 by 3 inch faces of 2 similar accessors blocks or plates as shown in figure ?a, ?b, and ?c, Vood or metal spacer bars are used to forr. she proper sine of bead. Polyethylene sate, paraffin, or any other suitable .sola release agent is applied to the inside surfaces cf she spacers so prever.s adhesion of the spacers to the sealant, after cure. Adhesive tape, rubber bands,or clasps are used to hold the test assembly together before and after filling with the compound. Ir. the case of a flow type cor,pound, .tasking tape or melted paraffin nay be used to retain the compound. I.3.S.3.- Primers, Substrate materials shall be primed with the manufacturer's reccnnended prirer only when such primer is specified by the seller and agreed upon 'ey the purchaser. When a primer shows staining or discoloration of the substrate beyond the primed area, such effects shall be noted in the report, 9,3.9.9 Cycling procedure, 9.3.9.9.1 Class A sealants. Cure the test assemblies at standard conditions for 1-. days, following this curing period remove the spacers from the specimens and proceed as follows: 1. Immerse the specimens in distilled or deionized water for 7 days, 2. following the immersion period, remove specimens from water and hand-flex twice about yZ degrees to check bond and cohesion. If r.o failure occurs, compress one specimens 25 percent of the nominal half inch (to 3/S inch) using a "C" clamp and 3/S inch blocks to held specimens _ in place. Place compressed specimens in a draft over, maintained at 155" + 2 ?, for 7 days -vfig. 7d;. 3. A-fter the over, treatment, allow the specimens to cool to standard temperature ar.l place them in a machine which automatically co.mpresses the joints from the nominal 1/2 inch width 00 3/5 inch and extends the joints to 5/2 inch in a continuous movement at the rate of l/i ir.cn per hour (fig. Sa). A total number cf 10 cycles are completed. One cycle is defined as follows: compression from the nominal l/2 inch width to 3/2 inch, followed by extension to 5/2 inch and then compression mo 1/2 inch. At the completion of the 10 cycles extend tr.e specfm.er.s (by hand crank) to 5/2 inch, insert blocks, remove specimens,and examine for bond and cohesion breaks (fig. 7e). If the specimen,s are rated as failure at this stage the Durability test is stopped. -. The final portion of the Durability test consists of compressing the specimens mo j/o inch ywimh. "0" clamp, and while in compression are held in the over, for 06 mo 20 hours. They are then removed from the over., cooled to standard temperature,^clamps ar.d spacers removed, and placed ir. an extension machine in a freezer maintained at -i5`JF. The specimens are extended to 5/2 inch while they are being cooled down to -15" ?. u/ The rate of extension is l/S ir.cn per hour. Or, completion of the extension the specimens are blocked at 5/0 inch, removed from freezer, allowed to warm up to standard temperature. They are examined for bond and cohesion breaks as wel-- as permanent deformation. The daily compression-extension cycles described in part 9- above are performed a maximum of 10 times or stopped at any time when the loss of bond cohesion or deformation exceeds i square inch among the three specimens. ar.d 9.3.9.9.2 Class 3 sealants. The test procedure is the same as that described in 9,3.9.9.1 with the following exceptions: ` (a) All compression movements consist of 12 l/2 percent of the nominal half inch width, i.e, , to 7/I0 inch instead of 3/2 inch. (b) All extension movements consist of 12 l/2 percent of the nominal half inch width, i.e., to 9/lc inch instead of 5/3 inch. V Regardless of the amount of recovery of the sealant after the "C" clamps are removed, the jaws of the extension machine are set .at 3/5 inch before extension is started in the freezer. DSW 586654 STLCOPCB4091988 T?-3-G02273(COM-MBS) 4,3,10 Adhesion in peel. This test is made or. plate glass, ar.odized ain.tir.ur., ar.d Portland cement r.ortar / after the test specir.er.s have seen cared for 21 days as specified herein. It is performed in a testing machine in which the sealant (sealed to cloth) is peeled sack at ar. angle of ISO0 at a separation rate of 2 inches per nir.ute. 4.3.10.1 Apparatus and accessory' r.aterials required are: (l) te5tir.g r.achir.e with tension grips capable of pulling at a rata of separation of 2 inches per minute with a dial cr chart indicator calibrated in I-pound ur.its; (2) two 6 'ey 3 inch pieces of anodized aluminum (sate type as described in section 4.3.9.2.3); (3) two pieces of 1/4 inch plate glass, about t by 3 inch: (4) two 6 by 3 by 3/S inch r.ortar slabs prepared as described in 4.3.9.2.1 except for site; (5) desired grade A airplane fabric, -,.26 ounces per yard, 60/64 count, or any suitable cloth that will adhere to the sealant (six 6 by 3 inch pieces): (6) paper mashing tape, 1 inch wide. Before constructing the test assemblies, clean the test surfaces with methyl ethyl ketone cr a similar solvent followed by a thorough washing with a detergent solution and a final rinse with clear water. Place a strip of 1 inch paper masking tape across the width of the plate so that the lower edge of the tape is parallel to the lower edge of the plate and I inches above it (fig. 3 a) . After conditioning not less than 2/0 g. of compound and curing agent for at least 2w hours at standard, conditions, spread a properly mixed portion or. the surface cf the plate to a thickness of 1/5 inch over an area from the top edge of the tape to one bottom, of the plate and the entire width of the plate (fig. 65), The cloth, approximately 6 by 3 Irenes is smeared with the compound at one end over an area of 3 by 3 inches ar.d forced into one clot.n using a spatula. The impregnated cloth is laid over the 2/5 inch layer of compound without entrapping air. Then the assembly is placed between i/l6 inch spacer bars ar.d the surfaces of the cloth rolled with a glass rod so that the thickness of the compound between the clot.n and the surface is l/lS inch (fig. SC), Prepare two aluminum, glass ar.d r.ortar specimens as described above for each sample 01' sealant. Apply primer to the dry surfaces only when specified and supplied by the manufacturer ar.d agreed upon by the purchaser. After preparation, allow one test specimen to cure ir. air for It days at standard conditions followed by an additional 7 days curing while completely immersed in distilled or deionized water at standard temperature. .After the specimen has cured about 7 days, coat the cloth with a thin layer (i/32 inch or less) of the mixed sample to protect the cloth from, moisture sr.d to minimize cloth adhesion failure after water immersion (fig. 3b). After Id days curing in air ar.d immediately before immersing the specimen ir. water for 7 days, the surface of the fabric shall be cut through to the base surface with a sharp razor blade leaving two strips of sealant and fabric I inch wade, separated by a space approximately 3/6 inch wide (fig. SZ,. Immediately following the 21 day cure, prepare the specimen for testing by wiping it cut', and releasing 1 inch of the cloth and masking tape from, the base. Then place the specimen t'. the testing machine ar.d peel the cloth back at am. angle of leu2 (fig. 9). The rate of separation of the Jaws of the machine shall be 2 inches per minute, rul sealant for 1 minute, and note the average value in pounds indicated by a dial or recording cnart on the nacnine. If the cloth peels from the sealant during testing, disregard are values. In such instance cut the compound across with a sharp razor blade in order to get separation at the interface to the test surface, Test four strips for each base material (aluminum, glass, etc., and record the average peel values in pounds. Hecord the percentage loss ir. bond and cereeior of each test. 4.4 Adhesion ir. peel after ultra-violet radiation exposure through glass Prepare and cure twe plate glass peel strength specimens as specified in 4.3.10.1. At the er.i of the 14th day cure period,place the test speciter.s with the sealant surface facing away from, the light source cr. the drum, cf ar. accelerated weathering machine as specified in 4.3.7. Zxpo_se the specimens to the UV radiation for 200 hours with or without water spray. Following the exposure, immerse the specimens ir. distilled or deionized water for 7 cays and obtain peel strength and record data as prescribed in 4.3.10.1. 2/ Oxher sucstrates such as precast stone, brick, marble, steel, etc. shall be used ir. tr.e test in place of or in addition to the standard materials when requested by the purchaser. 2/ The test snarl be periormed when tr.e sea_ar.t bonding area to grass may oe adverser/ affected by the sun's rays passing through the grass ar.d should be requested by the purchaser. 3 DSW 586655 STLCOPCB4091989  .r.h- r TT-S-002273 (COM-N'BS) 4.5 Inspection of preparation for delivery. Ar. inspection snail be siade to determine that the preser/atior., packaging, packing, ar.d narking. comply with tne requirements ir. section 5 of this specification. Defects shall be scored ir, accordance with Table I. For ewer.ar.atlor. of interior packaging the sample unit shall be one shipping container fully prepared for deliver-/, selected at rar.dcr. just 'prior to the closing operations, Sar.pling shall be ir, accordance with Ml-STf-115. Defects of closure listed sna-i be exatir.od on shipping containers fully prepared for deliver/. The lot size shall be the r.ur.ber of shipping containers ir, the end item inspection lot. Tie inspection level shall be -2 with an All of 4.0 defects per hundred units. Table 1. Classification of preparation for deliver,' defects lx us.ire Defecx s harkings (exterior and interior) X-.xeria.ls h or.'L'.ar. ss_-> Contents (exterior container) Cs.ixxed; inccrrecx; illegible; ix.groxor size, --oca.XL.on, sequence, or zax.-.cc. go app--cuxlcu. Ar.y conponenx ...ussung or c.a-..u_ou. incor.plexe closure of ccuxuir.er flaps, loose scrapping, ir.adecuaxe stapling, or disxorxion of container. Nur.ber per container is r.ore or less xnan required, Xex weight exceeds reopuires.sr.xs. 5. PRZPARATTON FOR DILIVERY 5.1 Packaging. Packaging shall be level A, 3, or C, as specified, (see 6.2). 5.1.1 level A. The oerpound shall be furnished in Quantities as follows: 1!~ pint tc a 1 pint can; 2/-quart to a 1 quart can; 3/4 gallon to a 1 gallon can; i gallon to an arterial gallon car. or - gallons in a 5 gallon pail. The activator portion of the contour.! snail be segregated frer. the base .patera a! by a tray type cottartreat at the top of the container, a glass or p_astic jar within the container, cr a polyethylene bag within the ccr.tainer. The cans snail confer.-. to ???-C-96 ar.d the pails shall ccr.forr. to PPP-P-714, 5.1.2 leve_ 3. The _evel 3 packaging shall corply with paragraph 5.1.1, except corr.ercial ex-er-cr coatat.gs are acceptance, 5.1.3 level C. The conpound shall he furnished ir. quantities specified in paragratr. 5.1.1 ir. containers of the type rcr.aally famished for ccnr.ercaal practice, 5.2Packing. Packing shall be level A, 3, or C, as specified (see 6.2). 5.2.1 level A. The filled 1 pint and 1 quart cans shall be packed ir. quantities cf 12 ir. a c_ose-fiaiir.g to>: conferring to PPP-S-ojo, class weather-resistar.t. The filled 1 gallon ar.d arterial gallon ears shall be packed ir. quantities of v to a ciose-fittir.g box ctuforr.ir.g to PPP-b-oyc, class weather-resistar.t. T.te filled 5 gallon pails require no overpacking. 5.2.2 Level 3. The level 3 packing shall corply with paragraph 5.2.1, except that the fiberboard boxes shall corfort to PPP-B-opo, class Domestic. 5.2,3 Level C. The compound shall be packed in a .tamer which will insure arrival at destir.atmr. in satisfactory condition ar.d which will be acceptable to the carrier at the lowest rates,1 Containers ar.d packing shall corply witr. the Unifora Freight Classification Rules cr National Motor Freight Classification Rules. 9 DSW 586656 STLCOPCB4091990 TT-3-00227D(CPM-:;BS) 5.3 Marking 5.3.1 Civi. Agencies. Ir. addition to any special markings required "by the contract cr order, tee interior and shipping containers shall he .narked ir. accoriir.ce wit.-. Fed. otd. 123. 5.3.2 Military Agencies. In addition no any special markings required hy the contrast cr orcer, the ir.terucr ar.d shipping containers snail fce narked ir. accordance with c.i Intended uses. c.i.l The joint sealing compound covered hy this specification is intended to sea. goor ir. - - . types cf structures including plazas, decks, and pavements where some mo 5.7. Or. 1 15 5x11 and where tightness against dust, dirt, wind, and water is repaired. Sore of t: 5 U502 Cl 1.' ccr.pound include channel glazing, bedding ar.d sealing around panels and lights structures, sealing window and door perimeters, sealing the joints between are; isc cor.crsc-: sea.ur.g i.ashings ar.d expansion joints, and pointing brick ar.d natural stone r: ooany. Prof of two-part e.astcneric joint sealar.ts list many other ar.d varied uss;ea .on ...-- s .ype of sealing compcur.a. .ta 5.1.2 Tr.e compound is supplied ir. two components, usually referred to as la agent or accelerator. Small quantities may be mixed or. a board or plate ir.stea "case container. Or. large jobs the compound may be mixed ir. specially designed ;.1.3 The mixed ei with either a calking gun -jhar.: putty knife, or trowel ir. strict accordance witr. the troducer's instructions. b.1.4 The compound small not be applied to surfaces coated with lacquer coatings shal. be removed ceocre sealant is applied, before applying the so joints previously treated with water repellent solutions, a laboratory toot vita tne speoified type of masonry and repellent solution. It is recommends nr:oncer : consulted before applying a compound to concrete previously tree surface curing, or mold release agents. _ 5 -- .7 -O .V cr.c 5-: 3, r, C5C5 :.*O cr._5s upon cy supplier cv.i 7/rcr.cser, tie c^r.riur.i 2 r.ic app.icd id contact with joint oilleus such as aspna.oic maoeria.s, oil base callings, or an' ether sealants in which the bor.aang properties and adverse effects resulting from to. o-.m:ir._ti:.t .1.5 Producers often recomneni the use of a specific primer or surface conditioner for specific surfaces. The primer or conditioner is designed to assure adhesion of the compound t: a specioie surfaoe. In ail cases wncre primers cr coniitiensrs are recocsteniei with a oomgouuo, it is advisable to have the durability and peel strength tests made with tbs primer in .question. ,t,i.? whenever possible the compound shall not be applied to a joint at t-_-.peratures u.ni-r -. F, At suc.n temperatures a film of mcisture is likely to form cr. the surfaces of the joint so a result of condensation. Inis moisture film which can. be entirely invisible under certain aomrsph .ric conditions may prevent the formation of a strong bond between the- compound and the substrate. 5,1,5 wherever possible a back-up material should be used wit.-, sealant ir. a moving joint to unsure good bond to sides of the joint. The back-up material should be completely inert, nonrigid, ar.d also shall .not for::, a strong bond to the sealant itself. Tr.e sealant producer sr.culi recommend the proper back-up material for his product for a particular substrate and joint design. 6,1,9 Although the compounds are generally available in. several colors, a freshly cured, compound may be painted any desired color provided the producer approves such procedure. 10 DSW 586657 STLCOPCB4091991 TT-S-002273(C0>:-:.33) 6.1.10 Modification. of a compound ay the addition of liquids or powders to alter tha flow properties not be permitted. Ctr.er suitable flaw characteristics tear, tnose specified herein may be agreed upor. by the supplier ar.i purchaser. Special nor.-sag properties say be required ir, ur.usuaily large joints ar.d lesser flow characteristics may be required ir. sloping points where perfect leveling is not desired. 6.1.11 A ccr.pound shall not be used on any job if the date of sanufaoture indicates that the compound is acre than 12 months old. 6.1.12 This specification covers joint sealants which are capable of resisting joint movements not exceeding a total of 50 percent of the r.o.tinal joint width for Class A sealants, and a total of 2p percent for Class 3 sealants. 6,2 Ordering data. Purchasers should select the preferred options permitted herein and include the following information in procurement documents: (a) Title, number, and date of this specification. (b) Type of product required (see 1.2). (c) Selection, of applicable levels of packaging ar.d packing required, (see 5.1 ar.i 5.2j. (d) Color required (see 5.5.1). ! DSW 586658 STLCOPCB4091992 7T-S-00227D (C0;-:-:33) 4 ~H" `4 1. Channels used fcr determining rhsologiccl properties, (a) for self leveling or flow type compound (type I ),(t>) for non-sag type compound (type 2) 12 DSW 586659 STLCOPCB4091993 L TT-S -00227D (GOX-l.'BS) FIGURE' 2 Application life test using a 6 oz. power gun containing a 6 oz cartridge without added nozzle, and operated at $0 p.s.l* 13 DSW 586660 STLCOPCB4091994 TT-S-002272 (C0:-I-N33) i L. V _/' o - ' c. ed 10 operating sta: 22 grar. load, for hi LT.ess aeierri] DSW 586661 STLCOPCB4091995 -- -3 -i0227: 15 DSW 586662 a STLCOPCB4091996 TT-3-002270(C0M-NB3) DSW 586663 1 I '16 \ / \ \ \ \ \\ \ v\ \ /' STLCOPCB4091997 y/.-SSa') -00,'2273 V sTUCOPC6*0^ U Ti -3 -0022?D (COM-iJSS) in (D CD CD 0in0 < 18 ( : V. STLCOPCB4091999 DSW 586666 TT-S-002273(C 0M-N55) tr\ i c. o l 7tuGo3 t oo io EG eo >> 2 'TO) +GJ GC C __ o to C f-- oc* E to G -- >H 1=0 .Oo 3 a 19 STLCOPCB4092000 f*JEtJTLcj 6c A r.otcr driven machine used for extension of specimens at -15F. in the Duranilixy test. . 20 DSW 586667 STLCOPCB4092001 TT-3 -00227D (COX -,`33) Durobiilty Specimens For Cicss A and B Sealants CLASS OR ALUMINUM 1/4 Avood SPACER 1/2 X 1/2 X 2' iV.. N Lc=EALA.NT /2 X 1/2 X 2' Fig.7,Test specimens used in Durability test (a) prepared specimen before placement of sealant, (b) SeGlcnt (C) with spacers removed (c) Sealant between mortar blocks, (d) Sealant in the compressed state during heGt treatment, (e) Sealant in the extended state. 21 SW 586668 STLCOPCB4092002 I i i TX-S -002270 (COiWGS } } i i \ l j I\ I{ i ( F3DURS 8. Stages i ,8 preparation of the adhesion in peel test specimen. 22 DSW 586669 STLCOPCB4092003 ??-S-30227D(C0Z-N53) F Li Oc ll.fus FIGURE 9. Extension machine used In the adhesion in peel test. 23 DSW 586670 STLCOPCB4092004