WESTCO™ TBTD Accelerator Tetrabutylthiuram Disulfide CAS# 1634-02-2

WESTCO™ TBTD is a liquid rubber-accelerator used mainly in natural and synthetic elastomers. It is a non-blooming accelerator in EPDM. It acts as a retarder for CR with ETU based cure systems. It is approved for use in articles in contact with food per 21 CFR 166.2600 and 21 CFR 175.105.

Packaging: 100 kg drums

Storage: Store in closed containers at 25 – 40C away from direct light


*Appearance: Amber liquid

< 20°C

*Ash content

0.5% Max.

*Heating Loss (2 hr@50C)

2.0% Max.


28.0 – 32.0%


98.0% Min.

Specific gravity, typical


* Actual data will be reported on Certificate of Analysis

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      • 60 S. Seiberling Street
      • Akron, OH 44305

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