WESTCO™ DPTU Accelerator (N,N’-Diphenylthiourea) CAS# 102-08-9

WESTCO™ DPTU non-discoloring accelerator that provides rapid acceleration in most elastomers. It is effective at low temperatures and its vulcanizates have good heat stability.


Appearance: Off-white powder, Oiled Powder

Off-white powder , Oiled Powder

*Initial Melt Point, Min. °C

145, 145

*Drying loss, % Max.

0.5 , 0.5

*Ash, % Max.

0.5 , 0.5

*Sieve Residue, % Max. 100 mesh

0.1, 0.1

*Oil Content, % Max.

- , 2.00

Specific gravity

1.30, 1.30

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

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