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WESTCO™ DPPD (N,N’ Diphenyl-p-phenylenediamine) CAS# 74-31-7

WESTCO DPPD protects natural and synthetic rubber compounds against oxidation, flex cracking, stress cracking and heat aging; improves ozone resistance in CR. It is suitable for use in rubber compounds where light discoloration or staining is not objectionable. Maximum non-blooming dosage is 0.35%.

Packaging: Net 25 Kg Bags

SPECIFICATIONS:

Appearance: Gray to brown powder
*Melt point

151°C Max.

*Ash

0.4% Max.

*Moisture

0.4% Max.

*Sieve residue, 100 mesh

0.1% Max.

Specific gravity

1.28 Typical

*Reported on Certificate of Analysis

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  • Western Reserve Chemical
  • 4837 Darrow Road
  • Stow, OH 44224

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