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Products > Antioxidants/Antiozonants

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

Mixed diaryl p-phenylenediamine

A powerful and persistent antioxidant and antiozonant. Ozone resistance is improved by the presence of waxes especially in CR.

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.

Westco AO-2246

NON-STAINING ANTIOXIDANT (2.2'-methylenebis-(4-methyl-6-tertiary-butylphenol))

Description: Westco AO-2246 is a highly effective non-staining non-discoloring phenolic antioxidant. Applications: Westco AO-2246 can be used as the primary stabilizer in a wide range of synthetic elastomers including polybutadiene, styrene-butadien

Westco™ AO 309

p-(p-toluenesulfonyl amido) diphenylamine

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 act

Westco™ AO 688

N-phenyl-N'-1-methylheptyl-p-phenylenediamine

Antiozonant for natural and synthetic vulcanizates

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 discolora

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 n

Westco BHT

2,6-di-tert-butyl-p-cresol

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

Westco™ DPPD

N,N' Diphenyl-p-phenylenediamine

Westco™ DNPD

N,N'-Di-b-naphthyl-p-phenylenediamine

Mainly used to produce tire, cable, adhesive tape and other rubber products. It is an inhibiting agent for chain rupture and metal complex agent with excellent heat-aging resistance, natural-aging resistance and resisting harmful metal such as copper

Westco™ IPPD

N-isopropyl-N'-phenyl-p-phenylenediamine

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 compoun

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.

Westco™ ODPA

Octylated diphenylamine

Westco™ AO-WL

Westco AO-WL is a polymeric, hindered phenolic, non-staining antioxidant. This product is considered good for intended applications within three (3) years from the date of manufacture when stored in original packaging under dry and cool conditions a

Westco™ SP 120 DLD

Westco™ SP 120 Styrenated Phenol

NON-STAINING LIQUID ANTIOXIDANT Styrenated Phenol CAS-61788-44-1 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 intend

Westco™ SP 120-3 Styrenated Phenol

Westco SP-120-3 Styrenated phenol is a chemical intermediate used in the manufacture of pigment dispersants, surfactants, and coupling agents for inert particles in aqueous systems. STORAGE AND SHELF LIFE Westco SP-120-3 is stable over a long period

Westco™ SP 120 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.

Westco™ 1010

Tetrakis[methylene-3(3',5'-di-tert-butyl-4'-hydroxyphenyl propionate]methane

CAS # 6683-19-8 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

Westco™ AO 1076

Octadecyl 3,5-di-t-butyl-4-hydroxyhydrocinnamate

CAS # 2082-79-3 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 o

Westco™ 6PPD

N-(1,3-dimethylbutyl)-N-phenyl-p-phenylenediamine

Westco™ 6PPD is used mainly in the 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

Westco™ MMBI

4-and5-methyl-2-mercaptobenzimidazole

Westco™ TBHQ

t-butyl hydroquinone

Westco™ TMQ

2,2,4-Trimethyl-1,2-dihydroquinoline, polymerized

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 ma

Westco™ ZMTI

Zinc 2-mercaptotoluimidazole

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 vulcan