WESTCO™ B-25 Dyphenylenediamine/Acetone reaction product CAS# 122-39-4

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 is important, and where staining and discoloration are not objectionable.

Packaging: 200 Kg net drums


Appearance: Dark red-brown viscous liquid
*Specific gravity:

1.08 - 1.12

*Viscosity (30°C)

2.5 -7 .0 Pa.s


0.3% Max.

*Volatiles (105°C± 2.2 hours):

0.4% Max.

*Actual tech data / technical data values reported on Certificate of Analysis

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      • Western Reserve Chemicals
      • 60 S. Seiberling Street
      • Akron, OH 44305

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