Antioxidants & Antiozonanta - For Rubber, Polymers & Chemicals.

Antioxidants /Antiozonants

Specialty Chemicals and Additives For Rubber,
Polymers, Textiles, Lubricants and Intermediates.

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	Western Reserve Chemical
	4837 Darrow Road
	Stow, OH 44224
	800-321-2676
	330-650-2244
	FAX-330 650-2255
	support@wrchem.com

Antioxidants / Antiozonants

Western Reserve Chemical supplies the following chemicals and additives throughout the North American markets from our three warehouses located across the United States.

	Westco AOZ (100)
	A powerful and persistent antioxidant and antiozant. Ozone resistance is improved by the presence of waxes especially in CR.
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	Westco AO-29
	Styrenated diphenylamine Westco AO-29 is a non-staining, slightly discoloring antioxidant for natural and synthetic rubbers and latices. Westco AO-29 provides excellent resistant to heat aging and flex fatigue. It is especially effective in polychloroprene.
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	Westco AO-2246
	NON-STAINING ANTIOXIDANT 2.2’-methylenebis-(4-methyl-6-tertiary-butylphenol) Westco AO-2246 is a highly effective non-staining non-discoloring phenolic antioxidant. Westco AO-2246 can be used as the primary stabilizer in a wide range of synthetic elastomers including polybutadiene, styrene-butadiene, neoprene, butyl, halobutyl and nitrile rubber. WESTCO AO-2246 is highly recommended for use in natural and synthetic latex rubber, latex products, caulks, sealants, and adhesives.
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	Westco AO-309
	p-(p-toluenesulfonyl amido) diphenylamine
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	Westco AO-316
	WESTCO AO 316 - 2, 6 distyrl-p-cresol Westco 316 combines the high activity of BHT with the low volatility of high molecular weight antioxidants. Westco 316 is recommended for use in rubber compounds using phenolic antioxidants, e.g. in caulks and sealants, molded rubber articles and adhesives. It may also find use in the stabilization of polyols used in urethane foams, where it can replace BHT, which is being phased out by the industry. It is an excellent antioxidant for polyolefins, particularly LLlDPE. Westco 316 is recommended as an economical replacement for Antioxidant 1076 in many applications, especially polystyrene, due to its lower cost, higher activity and liquid form. Westco 316 is also used in a variety of lubricants and industrial oils.
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	Westco AO-445
	SLIGHTLY STAINING ANTIOXIDANT 4.4’-Bis (alpha, alpha-dimethylbenzyl) diphenylamine Westco AO-445 is a very slightly staining, and discoloring in sunlight, antioxidant. Relatively nondiscoloring during heat aging. For BR, CR, nitrile (Paracril®) rubbers, EPDM (Royalene®), and SBR. The combination of high amine antioxidant activity, good color and low volatility makes it an ideal antioxidant and heat stabilizer for rubber and plastics. Westco AO-445 is especially effective in polyisoprene, Neoprene, nitrile (Paracril), HNBR and acrylic rubbers.
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	Westco AO-445G
	SLIGHTLY STAINING ANTIOXIDANT 4.4’-Bis (alpha, alpha-dimethylbenzyl) diphenylamine Westco AO-445 is a very slightly staining, and discoloring in sunlight, antioxidant. Relatively nondiscoloring during heat aging. For BR, CR, nitrile (Paracril®) rubbers, EPDM (Royalene®), and SBR. The combination of high amine antioxidant activity, good color and low volatility makes it an ideal antioxidant and heat stabilizer for rubber and plastics. Westco AO-445 is especially effective in polyisoprene, Neoprene, nitrile (Paracril), HNBR and acrylic rubbers.
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	Westco B-25
	Westco B-25, a diphenylamine-acetone reaction product, is an antioxidant for natural and synthetic rubbers. It is recommended for rubber compounds where resistance to heat aging and flex cracking are important, and where staining and discoloration are not objectionable.
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	Westco B-75
	A dispersion of B-25 on an inert filler. Westco B-75 is an antioxidant for natural and synthetic rubber compounds where resistance to heat aging and flex cracking are important and where staining and discoloration of light colored rubber are not objectionable.
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	Westco BHT "Non-Staining" Antioxidant
	2,6 di-tertiary-butyl-p-cresol (BHT) Westco BHT is a versatile antioxidant that acts as a stabilizer and processing aid in natural and synthetic elastomers, polymeric materials, subject to oxidation, packaging materials, waxes, insecticides, synthetic lubricants, paints, etc. Westco BHT meets FDA specifications as an addition to a variety of food products, packaging, and other materials coming in contact with food products. It retards oxidation in animal, vegetable and mineral oils, fats, greases and products containing these materials..
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	Westco BHT Kosher "Non-Staining" Antioxidant
	2,6 di-tertiary-butyl-p-cresol (BHT) Westco BHT is a versatile antioxidant that acts as a stabilizer and processing aid in natural and synthetic elastomers, polymeric materials, subject to oxidation, packaging materials, waxes, insecticides, synthetic lubricants, paints, etc. Westco BHT meets FDA specifications as an addition to a variety of food products, packaging, and other materials coming in contact with food products.
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	Westco DPPD
	Westco DPPD - Diphenyl-p-phenylenediamine
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	Westco IPPD
	Westco IPPD is used mainly in the manufacture of solid tires, belts, hoses, cables, automotive mounts and other mechanical goods requiring protection from ozonation. It provides powerful antiozonant and antioxidant properties to rubber compounds particularly in high temperature and flex fatigue applications. Recommended for use with NR, SBR and BR.
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	Westco NBC
	Nickel dibutyldithiocarbamate Used as an antioxidant and UV stabilizer for NBR, SBR, BR and CR. It improves heat resistance of EPDM compounds and is used as a heat stabilizer for epichlorohydrin polymers and copolymers.
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	Westco PHP
	Westco PHP is a polymeric, hindered phenolic, non-staining antioxidant.
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	Westco SP 120 DLD
	Westco SP120 DLD is a 70% active antioxidant on an inert carrier.
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	Westco SP 120 Styrenated phenol
	Westco SP-120 is a pale yellow to amber liquid-antioxidant for use in most elastomers, particularly SBR. Westco SP-120 has FDA approval for use in rubber articles intended for repeated or continuous food contacts. It is recommended for a variety of applications in plastics, elastomers, thermoplastic elastomers and urethane foams. 1-3 PHR is recommended.
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	Westco SP 120 Emulsion
	Antioxidant Emulsion This anionic-type emulsion is of a general purpose antioxidant used in latex compounding. It is non-staining and non-discoloring, and provides good activity and persistence. Suggested use level in natural and synthetic latices is 1.00 to 2.00 phr.
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	Westco 1010
	Tetrakis[methylene-3(3’,5’-di-tert-butyl-4’-hydroxyphenyl)propionate]methane Westco AO 1010 is a versatile antioxidant giving excellent processing stability and long term heat aging characteristics. It is used in a variety of polymers where elevated processing temperatures are encountered. Effective in mineral filled compounds based on fully saturated polymers used in rubber production. Also excellent for use in high density polyethylene and polypropylene production.
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	Westco AO 1076
	Octadecyl 3,5-di-t-butyl-4-hydroxyhydrocinnamate Westco AO-1076 is a cost-effective antioxidant used in a wide variety of polymers. It has low color generation characteristics and is used whenever color is of major importance. This product effectively reduces degradation of most polymeric substances and can be used in a wide variety of polymers, such as linear low-density polyethylene and polystyrene. Non-staining, prevents color and gel formation in unvulcanized SR’s. Good thermal stabilizer.
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	Westco 6PPD
	N-(1,3-dimethylbutyl)-N-phenyl-p-phenylenediamine Mainly used in manufacture of tires, rubber shoes and other technical goods. A very effective antioxidant and antiozonant for NR and SR. It provides protection against flex cracking and heat aging. Excellent incorporation and easy handling.
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	Westco MMBI
	WESTCO MMBI : 4-and5-methyl-2-mercaptobenzimidazole.
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	Westco TBHQ
	Tt-butyl hydroquinone.
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	Westco TMQ
	Westco TMQ belongs to a group of slightly staining, sterically hindered amines. Westco TMQ is a highly effective agent that prevents heat-induced aging and also provides minor protection against ozone and fatigue crack failure. Its major field of application is with black elastomers based on SBR. NR, IR, BR and NBR as well as lattices. Highly effective agent, TMQ is also added to polyethylene that has been cross-linked with peroxide.
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	Westco ZMTI
	Westco ZMTI is a nonstaining, nondiscoloring antioxidant suitable for use in Natural and synthetic rubbers; it is especially effective in NBR and EPDM. Westco ZMTI is a synergist with Westco TMQ in high service temperature vulcanizates.
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Technical Data and MSDS Sheets

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N-(1,3-dimethylbutyl)-N-phenyl-p-phenylenediamine Mainly used in manufacture of tires, rubber shoes and other technical goods. A very effective antioxidant and antiozonant for NR and SR. It provides protection against flex cracking and heat aging. Excellent incorporation and easy handling.

N-(1,3-dimethylbutyl)-N-phenyl-p-phenylenediamine
Mainly used in manufacture of tires, rubber shoes and other technical goods. A very effective antioxidant and antiozonant for NR and SR. It provides protection against flex cracking and heat aging. Excellent incorporation and easy handling.