WESTCO™ BDMC Accelerator Bismuth dimethyldithiocarbamate CAS# 21260-46-8

WESTCO BDMC is a secondary accelerator for rubber compounds.  It will significantly increase the cure rate when used in conjunction with sulfur based cure systems utilizing thiazole or sulfenamide primary accelerators.  It can be used as a lower cost alternative to Tellurium Diethyldithiocarbamate (TDEC), especially in EPDM compounds.

Packaging: 20kg Kraft paper bags

Shelf Life: 24 months from date of manufacture when stored @ 40°C Maximum; away from direct light and moisture.


Appearance: Light yellow powder
*Bismuth content


*Melt point

230°C Min.


1.0% Max.

*Sieve residue (100 mesh)

0.5% Max

Specific gravity

2.04 typical

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

Download Product Information

For WESTCO™ BDMC Accelerator - Bismuth dimethyldithiocarbamate

    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