Document 4avZGe9br0KZY6Zz4yxbgbGYa

AROCLOr resins and plasticizers for chlormated rubber TECHNICAL BULLETIN No. P L - 3 1 1 REVISE* APML 1962 Monsanto st.. lont it. mssoum ,! DSW 007517 STLCOPCB4000969 AROCLQR* RESINS AND PLASTICIZERS FOR CHLORINATED RUBBER Some important application* for protective and decorative chlorinated-rubber-based coatings plas ticized with Attocum* compounds Wood and metal on yachts, barges, and other marine craft Structural steel for bridges, buildings, roofs, and powertines Structural materials at chemical plants, pulp-and-paper mills, textile mills, petroleum re fineries, and gas works for protection against acid fumes, alkalies, and gas Tank cars and other railroad equipment and construction machinery fur protection against corrosive materials and weathering Equipment and stop-off lacquers used in electroplating Masonry floors and walls, concrete swimming pools, and highway markings Cable coatings requiring flame retardance, chemical resistance, and excellent electrical prop erties Textile coatings resistant to chemicals, flame, and water Food-processing buildings h'lame-retardant finishes Important properties imparted to chlorinated-rubber coatings by Ap.oclor plasticizers and resin extenders-- Chemical Resistance Corrosion Resistance Adhesivity Flame Retardance Flexibility Electrical Resistance Weather Resistance * AROCLOR: Monsanto Chemical Company trademark, registered in the U. S. Patent Office. DSW 007518 STLCOPCB4000970 CONTENTS INTRODUCTION ..................................................................................................... 1 NUMBERING AROCLOR COMPOUNDS ............................................................ I PROPERTIES OF CHLORINATED RUBBER General ......................................................................................................... 2 Physical......................................................................................................... 2 Chemical Resistance ................................................................................... 2 Electrical....................................................................................................... 3 Mechanical ................................................................................................... 3 Thermal ....................................................................................................... 3 Physical-Chemical ....................................................................................... 3 VISCOSITY TYPES................................................................................................... 4 SOLVENT COMPATIBILITY............................................................................... 4 FORMULATION AND PROPERTIES OF CHLORINATED RUBBER.......... & Formulations for Aroclor Resins and Plasticizers....................................... 5 Properties of Formulated Films................................................................ 6 APPLICATIONS....................................................................................................... 7 Alkali-Resistant Coatings............................................................................ 7 Chemical-Resistant Finishes...................................................................... S Continuous Metal-Painting Process.......................................................... 9 Marine Finishes......................................................................................... 9 Emulsion Paints.........................................................................-.............. 10 Mastics ....................................................................................................... 10 Paper and Textile Coatings........................................................................ 10 Adhesives .................................................................................................... 11 Electrical Coatings...................................................................................... 11 Printing Inks .............................................................................................. 11 OTHER MONSANTO PLASTICIZERS FOR CHLORINATED RUBBER....... 11 TOXICITY AND SAFE HANDLING ................................................................... 1Z SHIPPING................................................................................................................. 13 DSVi 0075i9 STLCOPCB4000971 INTRODUCTION Monsanto's Aroclor chlorinated biphenyls and chlorinated triphenyls are used as plasticizers and resins for chlorinated-rubber-based lacquers, varnishes, and paints. These protective coal ings are flame retardant, corrosion resistant, chemical resistant (to acids, alkalies, and water), and have good electrical insulating properties. When properly pigmented, these coatings have unusually good weatherability. Chlorinated-rubber films plasticized with an Aroclor compound grip common structural materials in strong adhesive bonds, and the addition of an Aroclor compound improves the flexibility and life of chlorinatedrubber coatings. The formulations suggested in this bulletin are common in commercial practice. They are given as starting points or guides for development of new formulations that capitalize on the outstand ing qualities of these com|X)unds. NUMBERING AROCLOR COMPOUNDS The first two digits of the number of an Aroclor compound represent its molecular type, as: 12---chlorinated biphenyls 25--blend of chlorinated biphenyls, 75 per cent, and chlorinated terphenyls, 25 per cent 44 blend of chlorinated biphenyls, 60 per cent, and chlorinated terphenvls, 40 per cent 54- chlorinated terphenyls The last two digits indicate the weight percentage of chlorine in the product, For example: Aroclor 1248 is a chlorinated biphenyl that contains 48-weight-per cent chlorine Aroclor 4465 is a 60 biphenyl : 40 terphenyl mixture chlorinated to 65-per cent chlorine Aroclor 5460 is a chlorinated terphenyl with 60-weight-per cent chlorine The physical properties of the Aroclor plasticizers vary gradually with the degree of chlorina tion. Compounds with low percentages of chlorine, such as Aroclor 1221 and 1222, are clear and very fluid. Aroclor 1242, with 42-per cent chlorine, resembles vegetable oil; (he product with 48per cent chlorine is slightly more viscous and looks like a medium-grade mineral oil. At 54-pcr cent chlorine, the compound is quite viscous; if a bottle containing it is turned upside down, the bubble rises slowly to the top. At higher chlorine percentages, the chlorinated biphenyls become gumlike, and a fingerprint on the surface lasts several days. Then at 68-per cent chlorine, the range is complete; Aroclor 1268 is a white powder. Hoth chlorinated terphenyls ( Aroclor 5447 and 5460) are yellow solids. The gradual change in physical properties often allows a processor to select a plasticizer particu larly suited for his operation. For example, if he wants to dry mix the plasticizer, Aroclor 1268 could be used. It melts at higher processing temperature and can act as a solvent-plasticizer. Complete physical properties and specifications for the Aroclor compounds are listed in tech nical bulletin PL-206, "Aroclor Plasticizers.'' I DSW 007520 STLCOPCB4000972 PROPERTIES OF CHLORINATED RUBBER Chiorinated-rubber-bascd coatings are widely used because of their resistance to corrosive agents, moisture, fungus, mold, and other destructive agents. t'urloii* chlorinated rubber is a mixture of two polymers, with an average chlorine content of 07 per cent, made by chlorination of natural rubber. Its typical properties, according to the manu facturer, Hercules Ponder Company, Wilmington, Delaware, are listed in Table 1: TABLE I--TYPICAL PROPERTIES OF CHLORINATED RUBBER General Form as shipped ................................................ White, granular powder Color of film .......................................................Water white Odor..................................................................... None Clarity of film ...................................................C.ood Taste ................................................................... j\one Moisture, per cent, as shipped ........................0.5 Maximum ' Physical Specific gravity ............................ Specific volume, as shipped, cubic inches per pound ........... Hulking value, gallons per pound Refractive Index, at 25C........... .1.64 .16.9 .0.0755 .1.554 Chemical Resistance to: Acids, weak.................................... Acids, strong .................................. Alkalies, weak................................ Alkalies, strong.............................. Salt spray ...................................... Alcohols .......................................... Ketones .......................................... listers ............................................ Hydrocarbons, aromatic ............. Hydrocarbons, aliphatic............... Oils, mineral .................................. Oils, animal .................................... Oils, vegetable................................ ''I'arld)i if ,i rejuMcied trademark of Hercules Powder Co excellent excellent excellent excellent good .excellent soluble soluble .soluble good good .poor poor . DSW 007521 STLCOPCB4000973 Electrical (clear, unplasticized film*) Specific surface resistance, ohms x 1010 ....... 2000 Dielectric strength, volts per mil (ASTM method) ......................................... 2300 Dielectric constant at 25C and 1000 cycles....3.1 Power factor at 25C and 1000 cycles ......... 0.0015 to 0.0030 Power factor at 25C and 1000 cycles, after immersion in water for 140 hours and surface wiped dry ................................0.0027 Mechanical (dear, unplasticized film*) 20-cp. type Tensile strength, dry, pounds per square inch ............................. ...4270 1000-cp. type 4850 Tensile strength, wet, pounds per square inch............................. ...4100 Elongation, dry, per cent ............................. ...3.6 Elongation, wet, per cent ............................. ...3.8 Modulus of elasticity, pounds per square inch ............................. ...1.4 x 105 Hardness, Sward index, per cent of glass.... ...90 4360 3.3 3.4 Note: Flexibility of Parian film increases with viscosity of Parian u; Thermal (clear, unplasticized film*) Burning rate .......................................................nonflammable Effect of dry heat on film................................ stable at 125C Softening point, C .......................................... decomposes at 135 to 150 Physical-Chemical (clear, unplasticized film*) Effect of sunlight ............................................ Discolors and embrittles Effect of aging ...................................................Very slight Effect of hot water ..........................................Blushes Effect of cold water..........................................None Moisture absorption (80% relative humidity for 24 hours), per cent ............... 0.27 Moisture-vapor permeability of 0.003-inch film (grams water/square centimeter/0.01 centimeter/hour at 21C) ..........................0.2 x 10* laid down from toluene solution 3 DSW 007522 STLCOPCB4000974 w I VISCOSITY TYPES TABLE II--"PARLON" VISCOSITY TYPES Viscosity Type Viscosity Range (centipoises) 5 cp........................................................ 5 to 7 10 cp........................................................ 8 to 12 20 cp........................................................ 16 to 25 125 cp.........................................................110 to 190 1000 cp........................................................ 800 to 2000 Examples of actual or suggested applications of the several viscosity types are as follows: Type Example of Use 5 cp. In printing inks and as a fortifier for alkyd resin enamels 10 cp. In high-solids finishes and as a fortifier for alkyd resin and oleoresinous varnishes and enamels 20 cp. As a film-former in protective coatings and as a fortifier in enamels and varnishes 125 cp. As a film-former in protective coatings, in paper lacquers, adhesives, and textile finishes 1000 cp. As a film-former in adhesives, textile finishes, and other finishes where flexibility is important SOLVENT COMPATIBILITY Solvents and solvent mixtures suggested for use in preparing formulations with Aroclor and Parian are given in Table III: TABLE III--SUGGESTED SOLVENTS FOR COMPOSITIONS WITH AROCLOR AND PARLON Amsco So!v" B and E Methyl isobutyl ketone Amyl acetate Methyl salicylate Butyl acetate MobilsoP Nos. 74, 75 Carbon tetrachloride NotoU Ccllosolveb Octyl acetate Diacelone alcohol Solvessoc 100 Diethyl carbonate Tollac6 Ethyl acetate Toluene Ethylene dichloride Trichloroethylene Hi-Flash naphtha UnionI Aromatic Solvent 3553-10 Methyl acetate Union Solvent No. 30 Methyl ethyl ketone Xylene a) Trademark of American Mineral Spirits Co. b) Trademark of Union Carbide Chemical Co. c) Trademark of Socony Mobil Oil Co. d) Trademark of Neville Chemical Co. c) Trademark of Esso Standard Oil Co. /) Trademark of Union Oil Co. 4 DSW 007523 STLCOPCB4000975 FORMULATIONS AND PROPERTIES OF CHLORINATED RUBBER Chlorinated-Rubber Film* Although chlorinated rubber is unaffected by acids, alkalies, salts, moisture, and fungus, it is very hard and brittle. Consequently plasticizers and plasticizing resins must be added to make useful coatings. To make chemical- and corrosion-resistant coatings, the modifiers must likewise be nonreactive with acids, alkalies, and salts. As little as five per cent of a saponifiable material, such as linseed oil, alkyd resin, or ester plasticizer, seriously detracts from the alkali resistance of the finished coating. Monsanto Aroclor compounds, such as Aroclor 5460 and Aroclor 1254 or 1260, are the best available plasticizing resin and plasticizers, respectively, since they are unaffected by acids, alkalies, or salts. The following table summarizes some of the benefits imparted to chlorinated rubber coatings by the presence of Aroclor plasticizers: TABLE IV--benefits of aroclor plasticizers in chlorinated rubber GOOD ADHESION TO RESISTANCE TO Aroclor 1254 1260 5460 Alum inum -- -- X Steel Cello Transite phane 10% 5% Hydro Sodium Sodium chloric Hydrox Chlor Acid ide ide Water Sward Hard ness ColdCheck Resist ance ------- X X X X X X 35 3 -- X X X X X X 40 4 X X -- X X X X 22 2 Arcolor 1262 and 5460, resinous types, show good compatibility in chlorinated-rubber films laid down from toluene solution containing 20-per cent of the plastic in ratios of 2:1 and 1:1 {Parlon to Aroclor). The plasticizer types, Aroclor 1252, 1254, and 1260, also show good compatibility. Formulations and properties of films derived from both resin- and plasticizer-type Aroclor are listed in Table V: TABLE V--FORMULATIONS CONTAINING AROCLOR RESINS OR PLASTICIZERS Ingredient Parts by Weight Parlon, 20-cp ................................ .......... 16 16 16 12 12 12 20 20 20 Aroclor 5460 .......................................... 8 8 8 12 12 12 -- -- -- Aroclor 1254 or 1260 ................. ......... -- -- -- -- -- -- 4 7 20 Dibutyl phthalate.................................... -- 4---- 3 ------ Tung oil, Thermolyzed, 976......... .......... -- -- 5 ---- 3.75 -- -- -- Xylene or butyl acetate............... .......... 76 72 71 76 73 72.25 76 73 70 5 DSM 007524 STLCOPCB4000976 The Aroclor compounds imparl characteristics to the films cast from these lacquers, including the following advantages: Adhesion Unplasticized chlorinaled-rubbcr films have very poor adhesion. The lacquer film containing Aroclok 5460 adheres well to aluminum, bare steel, primed steel, galvanized iron, and Tratuitc surfaces. The lacquer films plasticized with Aroclok 1254 or 1260 give good adhesion to Trausitc, cellophane, galvanized iron, and primed-stee! surfaces. Though compounds with an Aroclok alone possess pronounced adhesion qualities, better ad hesion to all of the surfaces results if mixtures of Aroclor or varied contents are used. Resistance to Aqueous Solutions Chlorinated-rubber films with Aroclor 1254 or 1260 (plasticizers) and Aroclor 5460 (resin) show satisfactory resistance to solutions of 10-per cent hydrochloric acid, 5-per cent sodium hydroxide, 5-per cent sodium chloride, and water-spot tests. Film Hardness Softer films arc produced with Aroclor 5460 in ratios of 5:10 and 10:10 (Aroclor-Par(on) than with other commercial resins in similar mixtures. Likewise, softer films result from Aroclok 1254 or 1260 in ratios of 2:10 and 5:10 (Aroclor:Parian) than with other commercial plasticizers at these concentrations. These tests show that Aroclor compounds have strong plasticizing action on chlorinated rubber. Cold-Check Resistance Aroclor 5460 is superior to phenol-formaldehyde resins in cold-check resistance imparted to chlorinated-rubber films, but not as good as long-oil-aikyd modification. Aroclor 1260 is a somewhat better plasticizer than Aroclor 1254. Weather Resistance Pigmented chlorinated-rubber finishes containing Aroclor have consistently withstood outdoor weather tests, but unpigmented finishes do not weather well regardless of the resin or plasticizer used. Poor resistance to ultraviolet light is also a weakness of chlorinated rubber. Most pigments (except ultramarine blue) are usable with Parlon and are recommended if the coating is to be subjected to outdoor weather or ultraviolet light. However, pigment protection varies consider ably. Inspection of alkvd enamels fortified with Parian showed weatherability varied from 65 months with chrome green to 4 months for titanium dioxide-iron blue combinations. Sanding and Polishing Properties Plastic films compounded with Parian and Aroclor 5460, 1254, or 1260 have showed satisfac tory sanding and polishing characteristics. DSW 007525 STLCOPCB4000977 APPLICATIONS Alkali-Resistant Coatings Products containing Aroclor and chlorinated rubber are highly resistant to alkalies and moisture. Paints with combinations of Aroclor and chlorinated rubber are used in large quantities for concrete floors, walls, swimming pools, and other surfaces. Paint formulations arc suggested in Table VI: TABLE VI--PAINTS FOR ALKALINE SURFACES Ingredients Parian (20-cp.) chlorinated rubber Medium-oil, drying alkyd resin Long-oil, drying alkyd resin Aroclor 1254 Aroclor 5460 Titanium Dioxide Zinc Oxide Silica Flour Carbon Black Magnesium Silicate Bcntonc* 34 gelling agent Epichlorohydrin Xylene Hi-Flash naphtha Turpentine Solvc.tso 100 Solvcsso 150 Basement Floors (parts) 100 45 55 89 11 17 1 1Z 239 Fed-Spec. TT-P-91 (parts) 100 56 33 89 11 3 12 26 237 Concrete Swimming Pool (parts) 100 50 50 112 115 13 1 450 90 Trademark of National Lead Co. 7 DSW 007526 STLCOPCB4000978 Chemical-Resistant Finishes Particular care is necessary in choosing resins and plasticizers for chemical-resistant paints. Chlorinated-rubber formulations with an Aroclor plasticizer have proved outstanding for acid and alkali resistance. Five suggested formulations are shown in Table VII. TABLE VII--FORMULATIONS FOR CHEMICAL-RESISTANT PAINTS Ingredients Exterior1 use, acids (parts) Exterior1, use. alkalies (parts) Interior' use, acids and alkalies (parts) Maximum11 resistance, acids and alkalies (parts) Soap' resistant (parts) Parian, (20-cp.) chlorinated rubber 100 100 100 100 100 Phenolic resin 40 Alkyd resin 40 Aroclor 1254 TO 30 50 45 Aroclor 1260 33 Aroclor 5460 40 50 Tung oil, Thermolyzcd, 976 30 30 64 Iron oxide 100 100 100 100 Titanium dioxide 150 Zinc oxide 50 Epichlorohydrin 0.5 Stabilizer 5 Xylene 325 325 330 245 Toluene 100 Solvcsso 100 250 Hi-Flash naphtha 86 Tur]>entine 28 These formulations were applied to metal bars or panels and tested for resistance: a) Excellent outdoor protection to metal surfaces in acid-manufacturing plants l>) Good performance on exteriors of alkali-producing plants r) Good resistance to 10-percent hydrochloric acid and S-per cent sodium hydroxide solutions (I) Excellent resistance to acids, alkalies, and salt solutions (Also adhered well to glass and other- surfaces) r) Good resistance to warm, soapy water Note: No finishes with Aroclor or chlorinated rubber are recommended for continuous exposure at temperatures above 140 F. osw 007527 STLCOPCB4000979 Continuous Metal-Painting Process A recently-developed continuous-painting process for finishing metal offers savings on capital in vestment, plant space, and operating costs. The technique utilizes the physical properties of tri chloroethylene, the only solvent in the paint. Metal parts enter the unit covered with grease and leave the other end completely painted and dry to the touch. Detailed information about the process can be obtained frum Du Pont, Wilmington, Delaware. The formulation in Table VI11 has given good characteristics in this continuous-painting system: TABLE VIII--FORMULATION FOR CONTINUOUS-PAINTING PROCESS Ingredients Parts by Weight Pigment1' Vehicle Dispersion Parian (20-cp) chlorinated rubber 100 ..... Long-oil, drying, alkyd resin 15 25.7 AitocLOR 1254 50 ..... Titanium Dioxide (Rutile) ..... 100 Bent one 58 gelling agent .... 1.251, Epoxy stabilizer 5.9 ..... Trichloroethylene 217 55.5 a) Add pigment dispersion to vehicle after 74 hours in pebble mill h) Add gelling agent to pigment dispersion during last two hours of grind Marine Finishes The marine industry makes great use of chlorinated-rubber coatings plasticized with Aroci.ok compounds to protect wood and metal on boats, barges, and other marine equipment. They re sist salt water, and their hard finish deters algae and other marine growth. A suggested formula for a white marine paint is given in Table IX: TABLE IX--FORMULATION FOR A WHITE MARINE PAINT ingredients Parts by Weight Parlon (20-cp) chlorinated rubber 77 Long-oil, oxidizing, alkyd resin 25 Aroclor 1254 25 Titanium dioxide 96.5 Xylene 87.5 Hi-Flash Naphtha 77 , DSW 007528 STLCOPCB4000980 Emulsion Paints If chemical resistance is required on porous surfaces, Aroclor 1254 is often added to chlor inated-rubber-emulsion paints. Hercules Powder Company reports that preferred water phases for such paints are either a 1-per cent-distilled-water solution of Aerosol* OT or a 4-per-cent-distilled-water solution of sodium oleate. A lacquer-to-water weight ratio of 2.5 to 1 is suggested for the complete emulsion. Chlorinated rubber of any viscosity may be used. A typical lacquer phase for such an emulsion paint is given in Table X: TABLE X--FORMULATION FOR LACQUER PHASE OF EMULSION PAINT Ingredients Parts by Weight Parloit chlorinated rubber Aroclor 1254 Aroclor 5460 Xylene Hi-Flash naphtha 28 14 10 24 24 Mastics Mastic compositions are used to deposit thick films with a minimum number of coats. Mastics modified with Aroclor compounds can effectively seal cracks in concrete, smooth rough con crete surfaces for subsequent glossy coatings, give excellent corrosion resistance under severe conditions, and retard fire. A typical starting formulation is given in Table XI: TABLE XI--MASTIC COMPOSITION Ingredients Parian (20-cp)chlorinated rubber Aroclor 1254 Aroclor 5460 Asbestos Titanium Dioxide (Rutile) Toluene Parts by Weight 100 30 49 160 25 300 Although this mastic formulation adheres well to either wood or masonry, a primer is suggested before application to steel. To further increase fire retardance, replacement of 33 parts of the asbestos by 47 parts of antimony oxide is suggested as a starting formulation. Paper and Textile Coatings Chlorinated-rubber coatings with Aroclor plasticizers are worthy of consideration for specific end uses on paper and textiles, although they are generally restricted by odor. Unpigmented fin ishes are suitable for certain fabrics used indoors, hut not for exposure to high temperatures or direct sunlight. 'Trademark of American Cyanatnid Co. 10 DSW 007529 STLCOPCB4000981 Adhesives Chlorinated-rubber adhesives with an Aroclor plasticizer were developed originally for acidbottle labels because of their general resistance to chemicals. These adhesives are also of unusual interest because they are flame resistant. A typical formulation is given in Table Xll: TABLE Xll--FORMULATION FOR ACID- AND FLAME-RESISTANT ADHESIVE Ingredients Parts by Weight Pinion (125-cp.) chlorinated rubber 20 Akoclok 1254 Akoi'i.or 12 60 Toluene 6 6 68 Electrical Coatings because of their desirable electrical properties, these compositions arc useful for insulating and protecting electrical wire and apparatus from moisture. With selected fungistats and waxes, coat ings of this type are used to protect electronic equipment in the tropics against moisture and fungi. The fire retardancc of Aroclor-/,i7oh combinations is an added dividend in the electrical field. Printing Inks Printing inks requiring fast drying time and chemical resistance are often based on chlorinatedrubber compositions plasticized with an Aroci.ok compound. These inks are especially useful on soap wrappers and boxes, bottle labels, and many other commodities because of their alkali resistance. OTHER MONSANTO PLASTICIZERS COMPATIBLE WITH CHLORINATED RUBBER The following Monsanto plasticizers (Table Xlll) are also compatible with chlorinated rubber, but none gives the over-all desired qualities attained by using an Aroclok plasticizer: TABLE Xlll--OTHER MONSANTO PLASTICIZERS COMPATIBLE WITH CHLORINATED RUBBER Dibutyl phthalate Diethyl phthalate Dimethyl phthalate Stniliciza* H-16 Santicizrr M l 7 SanlolHe* MHP Tricresyl phosphate Triphenyl phosphate '.Sautirirer and Smuolilr arc Monsanto Chemical Company trademarks, registered in the U.S. Patent Office. II DSW 007530 STLCOPCB4000982 TOXICITY AND SAFE HANDLING Inhalation At ordinary temperatures the Aroclor chlorinated polyphenyls have not presented industrial toxicological problems. The hazard of potential toxic exposure varies with their volatility: the lower-chlorinated, more-volatile ones present more of a potential problem from the standpoint of both inhalation and skin contact. When Aroclor compounds are used at elevated tempera tures, engineering controls must be applied, either by the use of closed systems or by effective local-exhaust ventilation together with general workroom exhaust. Vapor of the liquid Aroclor compounds at room temperature should not be breathed in a con fined space, and no vapor of any Aroclor compound evolved at elevated temperatures should be allowed to be dispersed into the general workroom. Inhalation tests on animals indicate that the maximum safe concentration of vapor is in the range of from 0.5 to 1.0 milligram of the lower-chlorinated Aroclor compounds per cubic meter of air. The threshold limits (maximum allowable concentration for an 8-hour working day) set by the American Conference of Government Hygienists are 1.0 milligram of the lowerchlorinated Aroclor compounds per cubic meter of air and 0.5 milligram of the mnre-highlychlorinated compounds, such as Aroclor 1254, per cubic meter of air. Skin Contact Schwartz patch tests on 200 volunteers showed that Aroclor 1254 was neither a primary skin irritant or a sensitizer. Continuous or repeated skin contact with the Aroclor compounds must be avoided by the use of gloves and protective garments, because of the possible occurance of a condition called chloracne. Although reports of this condition caused by Aroclor compounds are rare, it can be produced by excessive skin contact. If any Aroclor compound is spilled on the skin, the skin should be washed in the usual manner with a soap solution. A burn caused by contact with a hot Aroclor compound should be treated like any ordinary burn. Aroclor compound adhering to the burned area need not be removed immediately, unless treatment of (he burn demands it, in which case either soap and water or repeated washings with a vegetable oil are recommended. 12 0 OSW 007531 STLCOPCB4000983 SHIPPING Freight Classification Aroclor 1221, 1243, 1242, 1248, 1254, 1260, 1262 Rail Classification Aroclor. 1268, 2565, 4465, 5442, 5460 Truck Classification Aroclor 1268, 2565 Aroclor 4465, 5442, 5460 Shipping Regulations Standard Containers Aroclor 1221 Aroclor 1232 Aroclor 1242, 1248, 1254, 1260, 1262 Aroclor 1268 Aroclor 2565, 4465 Aroclor 5442 Aroclor 5460 (flaked) WW:JRC-- IM-1/58; rev. WFW:LSS-M-4/82 Synthetic Resin, Liquid, N'OlltN Synthetic Resin, Other Than Liquid, NOIBX Synthetic Resin, Powder, XOl Synthetic Resin, Lumps or Solid Mass, XOI None Tank car, 520-lb. steel drum, 50-lb. can Tank car, 550-lb. steel drum, 50-lb. can Tank car, 600-lb. steel drum, 50-lb. can 200-lb. fiber drum, 50-lb. can 500-lb. steel drum, 50-lb. can 450-lb. steel drum, 50-lb. can 1001b. bag The information contained in this bulletin is. to our best knowledge, true and accurate, but all re commendations or suggestions are made without guarantee, since the conditions of use are beyond our control. The Monsanto Chemical Company disclaims any liability incurred in connection with the use of these data or suggestions. Furthermore, nothing contained herein shall be construed as a recommendation to use ony product in conflict with existing patents covering any material or its use. 13 DSW 007532 STLCOPCB4000984 AKRON ATLANTA IOSTON CHICAGO CINCINNATI CLIVILANO DITROIT HOUSTON LOS ANSILII MINNEAPOLIS NSW YORK MTTSIUROH SAN FRANCISCO SSATTLI SYRACUSC WILMINGTON MONSANTO CHIMICALS LTO. It-itn MONSANTO CHIMICALS (AUSTRALIA! LTD. Milknma MONSANTO (CANADA) LTD. MmIthI T Yianmr ' I / / t ft t I' ST.. 10HS II. ilSSOURI . ./ . yun DSW 007533 STLCOPCB4000985