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.

SPECIFICATIONS:

*- Appearance:**	White to off white powder or crystal
- *Melting Range:	98.5 min.
- *Ash,%:	0.2 max
- *Loss on heating,%:	0.3 Max
- Specific Gravity	1.14
- Solubility:	Insoluble in water

* Actual data will be reported on Certificate of Analysis

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For Westco AO-445 Slightly Staining Antioxidant 4.4'-Bis (alpha, alpha-dimethylbenzyl) diphenylamine

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Westco AO-445

Westco AO-445

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Technical Data & MSDS Sheets

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For Rubber, Polymers, Textiles, Lubricants and Intermediates