WESTCO™ DBTU Accelerator (N,N’-Dibutylthiourea) CAS# 109-46-6

WESTCO DBTU is used as an ultra accelerator for CR, EPDM and chlorobutyl rubber.  It is also used in latex as a primary accelerator. It is active even at low temperatures. WESTCO DBTU can be used without zinc oxide for transportation articles. It is an antioxidant in adhesive systems. It provides better scorch protection than WESTCO™ DETU.

Packaging: 25 kg. bag


Appearance: White to light yellow powder
*Melting Point

60°C Min.

*Heat loss

0.5% Max.

*Ash residue

0.4% Max.

*Residue on 100 mesh sieve

0.1% Max.

Specific gravity


(Note – Oil Treated Powder oil content 1-2%) *Actual tech data / technical data values reported on Certificate of Analysis

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