WESTCO™ ETU Accelerator (Ethylene Thiourea) CAS# 96-45-7

WESTCO ETU is an ultra-accelerator for polychloroprene rubber. It is also used in latex as a primary accelerator.  It is active even at low temperatures.  WESTCO ETU can be used without zinc oxide for transportation articles.  It is an antioxidant in adhesive systems.

Packaging: 25 kg. bag

Storage & Handling: Read SDS before handling


Appearance: White powder or white oil treated powder
*Melting point

195 °C Min.

*Heat loss

0.40% Max.

*Ash residue

0.40% Max.

*Residue on 100 mesh sieve

0.10% Max.

*Residue on 230 mesh sieve

0.50% Max.

*Oil Treated Powder oil content


Specific Gravity


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

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      • 60 S. Seiberling Street
      • Akron, OH 44305

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