WESTCO™ MBT GS Accelerator (Granule - Soft) Mercaptobenzothiazole CAS# 149-30-4

WESTCO™ MBT GS is a primary accelerator for natural rubber and synthetic rubbers with excellent low temperature curing properties. May be used in non- staining and non-black applications. The soft grain hardness allows this product to be easily dispersed in soft rubber compounds or latex mixtures.

Solubility: Soluble in acetone, ether, alcohol, benzene, chloroform, carbon tetrachloride.
Slightly soluble in water when mixed with alkalines.


Appearance: Light yellow/yellow

Soft Granule

*Melting Point

170°C Min.


95.0% Min.


0.3% Max.


0.4% Max.

*Grain strength

1.5 Max.

Specific Gravity, typical


* Actual data will be reported on Certificate of Analysis

Download Product Information

For WESTCO™ MBT GS Accelerator - (Granule - Soft) Mercaptobenzothiazole

    Please enter the product name / id for the required SDS:

    Tell us how to get in touch with you:

      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 Chemicals
      • 60 S. Seiberling Street
      • Akron, OH 44305

        Please contact us to request this Data Sheet