Document kaLqJNY4GOZ93JnKyzqnDBKGD

PRODUCT PROCEDURE Approved: 1' SPECIAL BULIETIN DURABOND (GB-116A) PLAINTIFFS EXHIBIT USG-367 No. 61-2-29-F Date 3-31-64 Paee 1 of 2 Cancels Page 1 Dated 1-20-64 DETCRTPTTO?L Gypsum, NevBrighton, and Couth Gate to manufacture Durabond (Formula G3-116A) for field tests and subsequest shipments as directed by Depts. 147>2 and 147-21 (West Coast). Specifications as follows: ' MANUFACTURING PLANTS Gypsum, New Brighton, and South Gate FINISHED PRODUCT SPECIFICATIONS e ' Consistency - 54 to 57 cc. for 400 20 Brabender at 77F (530 30 on VC-3) pH - 8.0 to 8.4 at 77f, 15 min. after mixing Bond - 4 minimum (75F, - 50% R.H.) Color - Natural Set Time Specs. - 2 hr. 45 min. to 3 hr. 45 min. with Vicat Needle in Dixie cup at 75-80F. Blend in retarder pre-mix or accelerator to adjust proper set time. FORMULA . GB-116A Air Separated Hydrocal* to make 100% JiCTRFl Asbestos about 4.5% ( as req'd for normal consistency) Vinac RP-251 Vancide 51-2 . %4.5% 01 Mica JC 0.7 formula V Tylose Kethylcellulose 0.5% Santicirer #9 0.45% Potassium Sulfate 0.3% Consercial Retarder 0.12% (adjust retarder ore- blend to give prooer set) Citric Acid 0.03% ` Trlbutyl Phosphate - Neutraliser 50:50 2.203% *A Base Per Bulletin 69>-2-l; South Gate to use "B" Base. o oo o tr o r , No. 61-2-29-r j Date 3.31-6U j Page 2 of 2 ' Cartels Dated New DURABOND (C3-116A) RAW KATIE"ALS - Per 61-2-22 except as follows: Vancide 51-2 Vlnac RP-251 Santicizer #9 (-60 Kesh) Potassium Sulfate (Type 2) Must be screened through 60 mesh screen before use. Bulletin 6-1G0-1 " 6-104-18 " 6-98-2 6-99-2 NOTE: Oakfield Comm. Retarder (Double Strength) - Per Bulletin 53-1-10 Citric Acid - US Granular - #0616 - Mallinckrodt Chem Co. Hydrocal - Air Separated - Per Bulletin 69-2-1 Tylose Methycellulose - UM AOOC P - Per Bulletin 6-25-5 except additional test for screen fineness is necessary: TENTATIVE SPEC. +40 mesh - None -40, +60 mesh - trace (1$ maximum) -60, +1C0 mesh - 25-30* -100 +2C0 mesh - 40-45/* -200. +325 mesh - about 15* -325 mesh - about 1C* MANUFACTURING PROCEDURE In normal manner used for manufacture of joint compound except a cleanout charge of carbonate filler must be run before the manufacture of Durabond. Even small amounts of casein joint compound will severely contaminate the Durabond compound. A pre-blend of retarders must be made which consists of 12 parts of Oakfield Commercial Retarder and 8 parts of Citric Acid (Konohydrate). This blend is then used to adjust the set time of the batch. PACKAGING In regular Durabond bags with the T to follow code. Shipments - As directed by Depts. #147-2 and 147-21 (West Coast) This bulletin expires 11-1-64. *i\ o -uiietin 61-2-29-F .aerating Division PRODUCT PROCEDURE Approved: DURABOND (GB-II6A) rio, oi-2-29 Date 11-25-64Page 1 of 2 Cancels Dated . MANUFACTURING PLANTS: Chamhlee, Gypsum, Nev Brighton and South Gate FINISHED PRODUCT SPECIFICATIONS: Consistency - 54 to 57 cc for 400 20 Brabender at 77? (530 30 on VC-3) p2 - 6.0 to 8.4 at 77F, 15 min. after art-ring Bond - 4 minimum (75P - 50# B.E.) Color - Natural Set Use Specs. - 2 hr. 45 min. to 3 br. 45 min. with Vicat Needle in Dixie cup at 75-80F. Blend in retarder pre-mix or Accelerator to adjust proper set time. ' NOTE: . Durabond with a 1-1/2 hour (allowable shipping range 1 to 2 hours) hardening time to be available on request. No floor stock to be main tained and material not to be shipped after receipt of an order until the next regularly scheduled Xkiraband run. This material must be ordered in full batch lots (approx. 1,000 lbs.) or multiples of the quantity. Bags for product with this set time to be identified with cods letters "TF" to be placed behind regular code. Bags to have caution stickers as directed by 147-2. FORMULA GB-116A Air Separated R/drocal* JM7RFL Asbestos . Vlaac RP-251 Vaacide 51-Z Mica JC Tylose Methylcellulose Santicizer ff9 Potassium Sulfate Ccoercial P-etarder Citric Acid Tributyl Phosphate - Neutralizer $0:50 to make IOC# about 4.5# (as req'd for normal consistency) 0.7 formula V 0.5# 0.45# 0.3# 0.15# (adjust retarder pre-blend 0.075#; to 6iv proper set) 0.203# - * Either A Base from Ft. Dodge, or B Base from southard'may be used. OP009 0A60 / I\ SPECIAL BULLETIN FJRS2C23 (03-lloA) I- J iI ilo. oi-2-2$-? Date 5-22-64 Pare 1 of 2 Cancels Page 1 Dated 5-6-64 DESCPIPTIC'!: Gyp sun, :;ev Brighton and South. Gate to manufacture Durabond (Formula GB-H6A) for field tests and subsequent shipments as directed by Depts. 147-2 and 147-21 (Vest Coast). Specifications as follows: manufacturing pmns: / Chamblee, Gypsum, ilev Brighton and South Gate FHH3EZD PRODUCT SPECIFICATIONS: Consistency - 54 to 57 cc for 400 20 Brabender at 77^ (530 30 on VC-3) pH - 6.0 to 8.4 at 7r7; 15 min. after mixing Bond - 4 minimum (75? - 50* R.H.) Color - natural Set Else Specs. - 2 hr. 45 min. to 3 hr. 45 min. with Vicat Needle in Dixie cup at 75-80F. Blend in retarder pre-mix or Accelerator to adjust proper set time. - NOTE: Durabond with a 1-1/2 hour (allowable shipping range 1 to 2 hours) hardening time to' be available on request. No floor stock to be main tained cad material not to be shipped after receipt of an order until the next regularly scheduled Durabond run. This material must be ordered in full batch lots (approx. 1,000 lbs.) or multiples of the quantify. Bags for product with this set time to be identified with code letters "IF" to be placed behind regular code. Bags to have caution stickers as directed by 147-2. FORMJLA G3-116A Air Separated Hydrocal'1 to make 100* JK7RF1 Asbestos . about 4.5* (as req'd for normal consistency) Vinac HP-251 Vanci&e 51-2 . *4.5* 01 Mica JC 0.7 formula V Tyloce Msthylcellulose 0.5* Santiciaer :-9 i Potassium Sulfate Commercial Pntarcer Citric Acid . 0.45* . 0.3* 0.15* (adjust retarder pre-blend 0.075* to give proper set) . Tributyl Phosphate - neutraliser 50:50 0.203* * .............. " * A Base Per Bulletin 69-2-1, South Gate to use "B" Base CJP009 0 4 6 5 / !i >io. 61-2-29-* rate 5-22-64 `age 2 of 2 Cancels Pa^e 2 Dated 5-6-64 DURA2CHD (G3-116a) PAW KMSRIftLS - Per 61-2-22 except as JoUovs: Vanclds 51-2 - Per Bulletin 6-100-1 Vinac RP-251 -" " 6-104-18 Santicizer v9 (-60 Mesh) -" " 6-98-2 Potassium Sulfate(Type 2) -" " 6-99-2 Must be screened through 60 mesh screen before use. TTOE: Oakfield Coon. Retarder (Double Strength) - Per Bulletin 53-1-10 Citric Acid DSP (Eydrous) - Fine Granular XX - Chas. Pfizer & Co., Inc. Spec. / 60 mesh - 2&f> maximum ' -200 mesh - 15? Hydrocal - Air Separated - Per Bulletin 69-2-1 Cylose Methycellulose - UM 4000 P - Per Bulletin 6-25-5 uncept additional test for screen fineness is necessary: .. . .TENTATIVE SPEC. +40 mesh - None -40, +60 nesh - trace (1? maxirue) -60. +100 mesh - 25-30$ '-ICO +200 mesh - 40-45? -200. +325 aesh - about 15? -325 mesh - about 10$ . ` ' . . . j : KAiiCFACTUEING PROCEDURE In normal manner used for manufacture of joint compound except .a cleanout charge of cerbonate filler must be run before the manufacture of Durebond. Even small amounts of casein joint compound will severely contaminate the'Durabond compound. A pre-blend of retarders must be made which consists of 12 parts of Oalcfieid Commercial Retarder and 8 parts of Citric Acid (Konohydrate). This blend is then used to adjust the set time of the batch. - _ . .t ' ' , . ; PACKAGING In regular Durabond bags per 7-16-29 (when approved), with the T to follow cods. Shipments - As directed by Depts. #147-2 and 147-21 (West Coast) . This bulletin expires U-l-64. 34 f Operating Division 9PRODUCT PROCEDURE Approved: SPECIAL BULLETIN DURABOHD (CB-ll6A) 1 of DESCRIPTION: ' Gypsum, Nev Brighton and South Gate to manufacture Ifcmbond (Formula GB-UL&A) for field tests and subsequent shlpaents as directed by Depta. 147-2 and 147-21 (Vest Coast). Specifications as follows: MANUFACTURING PLANTS: Chaoblee, Gypsum, Hew Brighton and South Gate , -. FINISHED PRODUCT SPECIFICATIONS: r, - *1 ><4* , <t( I 5**1 Consistency - 54 to 57 ec for 400 20 Brabender at 77? (530 30 on VC-3) pH - 8.0 to 8.4 at TrT, 15 Bin. after mjjdmg Bond - 4 minima (75F - 50* R.E.) Color - Natural Set Time Specs. - 2 hr. 45 min. to 3 hr. 45 min. with Vicat Needle in Dixie cup at 75-&0F. Blend in retarder pre-mix or Accelerator to adjust proper set time. 1 ; H03X: Durabond with a 1-1/2 hour (allowable shipping range 1 to 2 hours) hardening time to be available on request. No floor stock to be main tained and material not to be shipped after receipt of an order until the next regularly scheduled Durabood run. This material must be . ordered in full batch lots (approx. 1,000 lbs.) or multiples of the quantity. Bags for product with this set time to be Identified with code letters **TF" to be placed behind regular code. Bags to have 1 caution stickers as directed by 147-2. .i- it FORMULA GB-116A Air Separated fydxocal* to make 100* JM7RF1 Asbestos . about 4.5* (as req'd for normal consistency) Vinac HP-251 Vanrt.de 51-Z . *4.5} 01 Mica JC 0.7 formula V Tylose Methylcellulose 0.5* Santiclzer #9 . 0.45* Potassium Sulfate t Cosnerci&l Retarder Citric Acid Trlbutyl Phosphate - Neutralizer 50:50 0.3* , 0.15* (adjust retarder pre^blead 0.075*' to give proper set)_____ _ 0.203* ~ * A Base Per Bulletin 69-2-1, South Gate to use "B" Base o O' erating Division PRODUCT PROCEDURE Approved: M SPECIAL BULLETIN DURABOND (GB-U6A) No. 61-2-29-7 Date 9-30-64 Page 3 of 3 Cancels Dated Nev PACKAGING la regular Suraboad bags par 7-16-29 (vfaea approved), with tba T to fdlov code. Shlgnente - Aa directed toy Septa. #147-2 and 147-21 (Vest Coaat) Stole bulletin expires 11-1-64. ( * 9 * 0 bOOdO 1 Operating Division PRODUCT PROCEDURE Approved: DURABOND (GB-116A) No. 61-2-29 Date 1-19-65 Paee 1 of 3 Cancels Page 1 Dated 11-25-64 MANUFACTURES PLANTS Chamblee, Gypsum, flew Brighton and South Gate FINISHED PRODUCT SPECIFICATIONS: Consistency - 54 to 57 cc for 400 20 Brabender at 77^ (530 30 on VC-3) pH - 8.0 to 8.4 at 77 r, 15 min. after mixing Bond - 4 minimum (75? - 50$ R.H.) Color - Natural / SETS: 1. Regular (Slow Set) 3-^ hours (3-1/2 hours normal). 2. DURABOND 150 (Medium Set) 2-3 hours (2-1/2 hours normal). Hot to he stocked; orders must he in full hatch lots (1000 lhs.) or multiples thereof. 3. DURABOND 90 (Fast Set) 1-2 hours (1-1/2 hours normal). Hot to he , stocked; orders must he in full hatch lots (1000 lhs.) or multiples thereof. FORMULA OB-llfo Air Separated Hydrocal* to make 10# JK7KF1 Asbestos . about 4.# (as re^'d for normal consistency) Vinac RP-251 Vanelde $1-Z Mica JC 4.5* 0.# 0.7 formula V Tylose Methylcellulose Santicizer 7/9 Potassium Sulfate 0.5* .#0.45* 0 Ccomefcial Retarder 0.1# (adjust retarder pre-blend Citric Acid 0.075$ to give proper set) Tributyl Phosphate - Neutralizer 50:50 0.20# Either A Base from Ft. Dodge, or B Base from Southard may he used. P009 0A5 `\ INo. 61-2-29 Date 1-19-65 Page 2 of 3 Cancels Page 2 Dated 11-25-04 DURABOND (GB-II6A) RAW MATERIALS - Per 61-2-22 except as follows: Vancide 51-2 - Per Bulletin 6-100-1 Vinac RP-251 Santicizer #=9 (-60 Mesh) -" -" " 6-104-18 " 6-98-2 PotaasluB Sulfate (Type 2) " " 6-99-2 Must be screened through 60 aesh screen before use. KOTO: Oakfield Comm. Retarder (250 Efficiency) - per Bulletin 53-1-10. Citric Acid - USP (Hydrous) - Fine Granular XX - Cbas. Pfizer & Co., Inc. Spec. / 60 nesh - 20$ marl mum -200 mesh - 15$ maximum Hydrocal - Air Separated - Per Bulletin 69-2-1 Tylose Methycellulose W 4000 P - Per Bulletin 6-25-5 except additional test for screen fineness is necessary: TENTATIVE SPEC -40, / 60 nesh -60, /100 aesh -100, /200 aesh -200, /325 aesh -325 aesh / 40 aesh - None - trace (l$ maximum) - 25-30$ _ 40-45$ - about 15$ - about 10$ MANUFACTURING PROCEDURE In normal manner used for aanufacture of Joint compound except a cleanout charge of carbonate filler gust be run before the manufacture of Durabond. Even small amounts of casein Joint compound will severely contaminate the Durabond compound. A pre-blend at retarders must be made which consists of 12 parts of Oahfleld Commercial Retarder and 8 parts of Citric Acid (Monohydrate). This blend is then used to adjust the set time of the batch. The set time of Durabond must be checked at both 90-95F and 4o-45F whenever a new batch of retarder is vised. The set time shall not vary more than 30 minutes between 40 and 90^F. If the set time at 90 is excessively long, the amount of Citric acid in the retarder blend must be Increased. If the set time at 40F is long, this shows that there is excessive citric acid in the retarder blend. The set time values are to be shown an the production control reports along with an indication when the new batch of retarder blend is used. This is a rejection specification for the retarder blend. VO 6 0 0 d U Operating Division PRODUCT PROCEDURE Approved: manufacturing PT-.;:rrs: No. 61-2-29 Date 4-20-65 Page 1 of 3 Cancels Page 1 Dated 1-19-65 32# - cc: 2675 25# - cc: 2700 Chamblee, Dallas, Gypsum, New Brighton and South Gate FINISHED PRODUCT SPECIFICATIONS: Consistency - 54 to 57 cc for 400 20 Brabender at TTF (530 30 on VC-3) ~ pH - 8.0 to 8,4 at 7TT, 15 min* after airing Bond - 4 wHn-trnTTn (75F - 50* R.H.) Color - Natural SETS; 1. Regular (Slow Set) 3-^ hours (3-1/2 hours normal). 2. DURABOND 150 (Medium Set) 2-3 hours (2-1/2 hours normal). Not to be stocked; orders must be in full batch lots (1000 lbs.) or multiples thereof. 3. DURABOND 90 (Fast Set) 1-2 hours (1-1/2 hours normal). Not to be stocked; orders must be in full batch lots (1000 lbs.) or multiples thereof. FORMULA ttB-ll6A Air Separated Hydrocal* to make 100* JM7RF1 Asbestos about 4.5* (as req'd for normal consistency) Vinac RP-251 Vancide 51-Z . *4.5* 01 Mica JC 0.7 formula V Tylose Methylcellulose 0.5* Santicizer #9 0.45* . Potassium Sulfate Commercial Retarder - Citric Acid Blend 0.3* , 0.2* approx, (adjust amount of blend and blend proportioning to give proper set) Tributyl Phosphate - Neutralizer 50:50 0.203* "Zither A Bese from Ft. Dodge, or B Base from Southard may be used. 9GV0 6 0 0 till % No. 61-2-29 Date 4-20-65 Page 2 of 3 Cancels Page 2 Dated DURA30ND (G3-116A) RAW MANUALS - Per 61-2-22 except aa follows: Vancide 51-Z - Per Bulletin 6-100-1 Vinac RP-251 - " " 6-104-18 Santicixer #9(-60 Mesh) - " " 6-98-2 Potassium Sulfate (Type2) - " " 6-99-2 Must he screened through 60 mesh screen before use. ROTS: Oakfield Cobs* Retarder (250$ Efficiency) - per Bulletin 53-1-10* .. Citric Acid - USP (Hydrous) - Fine Granular XX - Chas. Pfizer & Co., Inc. Spec. / 60 mesh - 20$ TnA*H TTTtTTW -200 mesh - 15$ maximum Hydrocal - Air Separated - Per Bulletin 69-2-1 Tylose Methycellulose - UM 4000 P - Per Bulletin 6-25-5 except additional test for screen fineness is necessary: TENTATIVE SPEC. -40, / 60 mesh -60, /100 mesh -100, /200 mesh -200, /325 mesh -325 mesh / 40 mesh - Hone - trace (1$ maximum) - 25-30$ - 40-45$ - about 15$ - about 10$ MANUFACTURING PROCEDURE ' In normal manner used for manufacture of joint compound except a cleanout charge of carbonate filler must be run before the manufacture of Durabond. Even small amounts of casein joint compound will severely contaminate the Durabond compound. A pre-blend of Oakfield Connercial Retarder and Citric Acid must be used to con trol the setting time. The setting time must be checked at both 90-95F and 40-45F whenever a new batch of retarder is used to determine the proportions to be used in the retarder blend. The set time shall not vary more than 30 minutes between 40 and 90F. If the setting time at 90 is excessively long, the amount of Citric acid in the retarder blend must be increased. If the setting time t 4r 40F is long, there is excessive Citric acid in the retarder blend. - The recommended initial blend is 2 parts of Oakfield Commercial Retarder (250$ Eff.) to 1 part Citric acid (Monohydrate) by weight. The setting time values are to be shown on the production control reports along with the date the currsn retarder blend was first put into use, the Oakfield Retarder code markings and efficiency, and the proportions of retarder and Citric acid in the blend. This is a rejection specification for the retarder blend. Operating Division PRODUCT PROCEDURE Approved: ?LA:rrs DURABOND (GB-116a) No. 61-2-29 Date 5-7-65 Pare 1 of 3 Cancels Page 1 Dated U-20-65 32# - cc: 2675 25# - cc: 27GO Chamblce, Dallas, Gypsum, New Brighton and South Gate FINISHED PRODUCT SPECIFICATIONS: Consistency - 54 to 57 cc for 400 20 Brabender at 77^ (530 30 on VC-3) -pH - 8.0 to 8.4 at T7F, 15 i* after airing Bond - minimum (75^ - 50$ B.B.) Color - Natural SETS: 1. Regular (Slow Set) 3-4 hours (3-1/2 hours normal). 2. DUPA30HD 150 (Medium Set) 2-3 hours (2-1/2 hours normal). Not to he stocked; orders must be in full batch lots (1000 lbs.) or multiples / thereof. <See NOTE) 3. DURABOND 90 (Fast Set) 1-2 hours (1-1/2 hours normal). Not to be , stocked; orders must be in full batch lots (1000 lbs.) or multiples / thereof. (See NOTE) A NOTE: Full batch lots at Chamblee shall be 3000 lbs. or multiples thereof. FORMULA GB-116A Air Separated Eydrocal* JM7KF1 Asbestos to make 100$ about 4.5$ (as req'd for normal consistency) Vinac BP-251 Vaacice 51-Z, Mica JC . $4.5$ 01 0.7 formula V Tylose Methylcellulose 0.5$ Santiciser 9 0.45$ Potassium Sulfate Commercial Retarder - Citric Acid Blend 0.3$ , 0.2$ approx, (adjust amount of blend and blend proportioning to give proper set) Tributyl Phosphate - Neutralizer 50:50 0.203$ Either A B*se from Ft. Dodge, or B Base from Southard may be used. 5 7 0 feOOdO ---.-30KD -- >. sixia. --sr | j * *rw .'o v . " *'''* . 2-1/2 ho- * -'iHBU,). ^T8 (2-. VUM normal). No? ts. x. satch ;lbs.) or multi =f (1-1/: nv.* normal). Not to n, "* natch .. > -iKW lbs.) or mult* -> ^ * M* Ml I -- y| V J .-** shal ' *,'J0 lbs. or multipl^* . V-ofl 0P009 0A4A Operating Division MPRODUCT PROCEDURE Approved: MANUFACTURING PLANTS DURABOND (G3-116A) No. Date Pare 61-2-29 7-12-66 1 Cancels Page 1 Dated 5-7-65 32# - cc: 2675 25# - cc: 2700 Chamblee, Dallas, Gypsum, New Brighton and South Gate PACKAGING . In regular 25 and 32 lb. Durabond bags per Bulletin 7*16-29, with the letter T to follow code. SPECIAL IABELING: In addition to labels prescribed, DURABOND 90 and 150 should have a stick-on warning label attached to each bag. Initial supplies of labels will be supplied by Dept. 147-2 subsequent requirements to be supplied by plants. DURABOND 90: "FAST" to be printed on each bag beneath the code. DURABOND 150: "MEDIUM" to be printed on each bag beneath the code. fcOGdC # No. 61-2-29 Date 7-12-66 Page 2 Cancels Page 2 Dated 4-20-65 DURA30ND (GB-116A) FINISHED PRODUCT SPECIFICATIONS Consistency - 54 to 57 cc for 400 20 Brabender at 77F (530 30 on VC-3) pH - 8.0 to 8.4 at TIFf 15 min. after mixing Bond - 4 minimum (75P - 505& R.H.) Color - Natural SETS; 1. Regular (Slov Set) 3-^ hours (3-1/2 hours normal). 2. DURABOND 150 (Medium Set) 2-3 hours (2-1/2 hours normal). Not to.be stocked; orders must be in full batch lots (1000 lbs.) or multiples thereof. (See NOTE) 3. DURABOND 90 (Fast Set) 1-2 hours (1-1/2 hours normal). Not to be stocked; orders must be in full batch lots (1000 lbs.) or multiples thereof. (See NOTE) NOTE; Tull batch lots at Chamblee shall be 3000 lbs. or multiples thereof. -0 - No. 61-2-29 Date 7-12-66 Page k Caseele Dated NEW CONFIDENTIAL DO NOT REPN0DUC8 ON COPY DURABOND (GB-116A) X MANUFACTURING PROCEDURE In normal manner used for manufacture of joint compound except a cleanout charge of carbonate filler must be run before the manufacture of Durabond. Even small amounts of casein Joint compound will severely contaminate the Durabond compound. A pre-blend of Oakfield Commercial Retarder and Citric Acid must be used to control the setting time. The setting time must be checked at both 90-95F and 40-J*5F whenever a new batch of retarder is used to determine the proport ions to be used in the retarder blend. The set time shall not vary more than 30 minutes between 40 and 90F. If the setting time at 90 is excessively long, the amount of Citric acid in the retarder blend must be Increased. If the setting time at 40^ is long, there is excessive Citric add in the re tarder blend. The recommended initial blend is 2 parts of Oakfield Commercial Retarder (250^ Eff.) to 1 part Citric add (Monohydrate) by weight. The setting time values are to be shown on the production control reports along with the date the current retarder blend was first put into use, the Oakfield Retarder code markings and efficiency, and the proportions of retarder and Citric add in the blend. - This is a rejection specification for the retarder blend. .' - -**$" vm. .v.-i'-HN -%. v> *v. M End o -oo o } jz / X' Cancels Special Bulletin 61~2-29-A, dated 3-22^6 Operating Division PRODUCT PROCEDURE Approved: M DURABOND (GB-116A) MANUFACTURING PLANTS No. Date Paee 61-2-29 9-8-66 1 Cancels Page 1 Dated 7-12-66 32# - cc 2675 25# - cc : 2700 Chamblee, Dallas, Gypsum, Rev Brighton and South Gate PACKAGING . In regular 25 and 32 lb. Durabond bags per Bulletin 7-16-29, vlth the letter C G to follow code. ' SOCIAL IARELTNG: In addition to labels prescribed, DURABOND 90 end 150 should bave a stick-on varuing label attached to each bag. Initial supplies of labels vill be supplied by Dept. 147-2 subsequent requirements to be supplied by plants. DURABOND 90: "PAST" to be printed an each bag beneath the code. DURABOND 150: "MEDIUM" to be printed on each bag beneath the code. DP009 044 I No. 61-2-29 Date 9-8-66 Page 2 Cancels Page 2 Dated 7.12-66 DURABOND (GB-116A) '\ FINISHED PRODUCT SPECIFICATIONS c Consistency - 5* to 57 cc for 530 I 30 VC-3 Brabender at 77F pH - 8.0 to 8.1* at TI0?/ 15 min. after mixing Bond - U minimum (75^ - 50i> R.H.) Color - Natural SETS: "* 1. Regular (Slav Set) 3-^ hours (3-1/2 hours normal). 2. DURABOND 150 (Medium Set) 2-3 hours (2-1/2 hours normal). Not to be stocked; orders must be in full batch lots (1000 lbs.) or multiples thereof. (See NOTE) 3. DURABOND 90 (Fast Set) 1-2 hours (1-1/2 hours normal). Not to be stocked; orders must be in full batch lots (1000 lbs.) or multiples thereof. (See NOTE) -i Vr.** NOTE: Full batch lots at Cbamblee shall be 3000 lbs. or multiples thereof. >. P009 0AA6 Operating Division PRODUCT PROCEDURE Approved: SOKF3DEMTIAL oo hot ncmoouoK on copy DURABOND (GB-II6A) No. 61-2-29 Date Page 9-8-66 3__________ ____ Cancels Page 3 Dated 7-12-66 FORMULA OB-II6A Air Separated Hydrocal* to make 100* JM7RF1 Asbestos about 5$ (as req'd for normal consistency) Gelva Powder 702 Vancide 51-Z. . *4. 5* 01 Mica JC 0.7 formula V Tyloee Methylcellulose . 0.5* Santicizer #9 0.4?* Potassium Sulfate 0.3* Commercial Retarder - Citric Acid Blend 0.2* approx, (adjust amount of blend and blend proportioning to give proper eet) Tributyl Phosphate - Neutralizer 50:50** 0.203* * Either A Base from Ft. Dodge, or B Base from Southard may be used. ** EXCEPTION: Gypsum Only ' Liquid Mix (Tributyl Phosphate (Neutralizer 50:50 0.153* 0.150*) 0.003*) . RAW MATERIALS - Per 61-2-22 except as follows: Vancide ?1-E ' - Per Bulletin 6-100-1 C Gelva Powder 702 -" " 6-104-16-1 Santicizer >f9 (-60 Mesh) -" " 6-98-2 Potassium Sulfate (Type 2) -" " 6-99-2 Must be screened through 60 mesh screen before use. NOTE: OaWield Comm. Retarder (250* Efficiency) - per Bulletin 53-1-10. Citric Acid - USP (Hydrous) - Fine Granular XX - Chas. Pfizer fc Co., Inc. Spec. / 60 mesh - 20* maximum -200 mesh - 15* maximum Hydrocal - Air Separated - Per Bulletin 69-2-1 Tylose Metnycellulose - UM 4000 P - Per Bulletin 6-25-5 except additional test for screen fineness is necessary: TENTATIVE SPEC, -**0, f o0 aesn -60, / 100 mesu -100, / 200 we6h -200, / 325 mesn -325 meat: / 40 mesh - None - trace (1* maximum) - 25-30* - 40-45* - about 15* - about 10* 0P009 0V Operating Division PRODUCT PROCEDURE Approved: QiJi?0[ID3T3AL CO SO? SZF303UCS OR COPY DURAEOHD (GB-II6A) No. Date Page 61-2-29 11-7-66 3 Cancels Page 3 Dated 9-8-66 oo IV 70 600d0 "of.'-ula GB-116A Air Separated Hydrocal(Note l) to make 100* JM7HF1 Asbestos (Note 3) about 4.5* (as re<i'd for normal consistency) Gelvn Povdcr 702 Vaneice 51-2 . Mica JC . *4-5* 01 0.7 formula V Tylose Methylcellulose 0.5* Santicizer jf9 . 0.45* Potassium Sulfate Commercial Retarder - Citric Acid Blend 0.3* 0.2* approx, (adjust amount of blend and blend proportioning to give proper set) Tributyl Phosphate - Neutralizer 50:50(Note 2)0.203* C Note 1-Either a Base from ?t. Dodge, or B Base frem Southard may be used. C Note 2 - EXCEPTION: Gmsum Cnlv Liquid Mix - 0.153* (Tributyl Phosphate 0.150*) (Neutralizer 50:50 0.003*) A Note 3 - Chamblee Only JM7RTO2 RAW MATERIALS - Per 61-2-22 except as follows: ' Vancide 51-2 - Per Bulletin 6-100-1 Gelva rovder 702 -" " 6-104-16-1 Santicizer fS (-60 Mesh) -" " 6-98-2 Potassium Sulfate (Type 2) -" " 6-99-2 Must be screened through 60 mesh screen before use. NOTE: Oakfield Comm. Retarder (250* Efficiency) - per Bulletin 53-1-10* Citric Acid - U3P (Hydrous) - Fine Granular XX - Chas. Pfizer & Co., Inc. Spec. / 60 mesh - 20* maximum -200 mesh - 15* mY'1 Hydrocal - Air Separated - Per Bulletin 69-2-1 Tylose Metnycellulose - UM 4000 P - Per Bulletin 6-25-5 except additional test for screen fineness is necessary: TENTATIVE SPEC. --*+0, / oD mesn -60, / 100 mesh -100, / 200 mesh -200, / 325 mesh -325 mesh / 40 mesh - None - trace (1* maximum) - 25-30* - 40-45* - about 15* - about 10*