WESTCO™ VVO Vulcanized Vegetable Oil CAS# 68152-90-9

WESTCO™ VVO, also known as factice, is a non-extractable process aid used as a softener in rubber compounds and other polymer systems, like TPE and PVC. It can improve the incorporation of other ingredients, lower hardness, reduce sulfur bloom, and serve as a cost-reduction extender.

25 kg paper bags with plastic liner

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


Appearance: Dark brown granules or Crushed Lump

VVO-10 , VVO-15


0.50% Max. , 0.50% Max.

*Free Sulfur

0.50 - 1.00% , 1.00 - 2.00%


0.50% Max. , 0.50% Max.

*Acetone Extract

15.0– 35.0% , 15.0– 35.0%

Specific gravity @20ºC

1.00 – 1.30 , 1.00 – 1.30

*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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