WESTCO™ PPT Silica 150 CAS# 112926-00-8

WESTCO™ PPT Silica 150 is an amorphous, precipitated anhydrous silica. It is used in rubber compounds as a reinforcing agent to increase tensile and tear strength as well as resistance to abrasion.

Standard Package – Silica 150 – 20 kg plastic lined paper bag.
Silica 150G – 25 kg plastic line paper bag
Custom packaging is available upon request



Powder (150P) or Granules (150G)

*Surface area (BET) m2/g

140 –160

*Drying loss (105°C)

4.0 – 8.0%


6.0 – 7.5

*Assay, silica

90.0% Min.

*Sodium sulfate content

1.5 Max.

DBP Absorption, cm3 /100g

200 - 300

Sieve Residue, max. 45 µm


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

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Technical Data & SDS Sheets

Technical Product Sheets and SDS sheets are available for each of the chemicals listed. To access please click on the links above.
  • Western Reserve Chemical
  • 4837 Darrow Road
  • Stow, OH 44224

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