WESTCO™ RETARDER E N-phenyl-N-[(trichloromethy)thio]-benzene sulphonamide CAS# 2280-49-1

WESTCO™ Retarder E is an effective scorch retarding additive in rubber compounds, especially in those based on EPDM polymers. It delays the onset of cure but does not significantly slow cure rate or state of cure. Commonly used in closed cell EPDM and EPDM blend sponge compounds.

Packaging: 25 kg net weight bags

Storage: WESTCO™ Retarder E should be stored at temperatures below 40°C


Appearance: White to light beige powder

90.0% Min.

*Ash content

6.0% Max.


0.3% Max.

*Sieve residue (100 mesh)

0.1% Max.

*Oil content

1.0 - 3.0%

* Values are ported on Certificate of Analysis

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For WESTCO™ RETARDER E - N-phenyl-N-[(trichloromethy)thio]-benzene sulphonamide

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

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