WESTCO™ DPTT Accelerator (Dipentamethylenethiuram) CAS# 120-54-7

WESTCO DPTT is used as the primary or secondary accelerator in natural and synthetic elastomers and as a sulfur donor in low sulfur or sulfur-less cures.  WESTCO™ DPTT is non-staining and is suitable for use in light colored vulcanizates.  WESTCO DPTT provides better processing safety and heat stability than other thiurams.

Packaging:  25 kg bag


Appearance: Off white to light yellow powder
*Initial Melt Point

113°C Min.


0. 5% Max.


0. 5% Max.

*Sieve residue (100 mesh)

0. 1% Max.

*Oil content

1-2 %


98% Min.

Specific gravity


* Actual data will be reported on Certificate of Analysis

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      • 60 S. Seiberling Street
      • Akron, OH 44305

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