WESTCO™ TDEC Accelerator Tellurium Diethyldithiocarbamate CAS# 20941-65-5

WESTCO™ TDEC is an ultra-fast accelerator for natural and synthetic rubber compounds. It can also be used as an activator for thiazole and thiuram accelerators.

25 kg woven plastic bags or paper bags

Keep cool and dry in closed original packaging with adequate ventilation.
Avoid exposure to direct sunlight.
2 year shelf life.


APPEARANCE: Orange - Yellow Powder
*Melting Point

108 ºC Initial Min.

*Melting Point, Final ()

112 - 122 ºC Final

*Sieve residue on 100 mesh (150µm)


*Sieve residue on 230 mesh (63µm)

0.50% Max.

*Moisture content

0.50% Max.

*Tellurium content

16.0 - 19.0% Max.

*Oil content

2.50% Max.

Specific gravity at 20ºC (typical)


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

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  • Western Reserve Chemical
  • 4837 Darrow Road
  • Stow, OH 44224

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