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WESTCO™ MMBI 4-and5-methyl-2-mercaptobenzimidazole CAS# 53988-10-6

WESTCO™ MMBI is non-discoloring, non-staining antioxidant for all rubbers. It is particularly effective in NBR and EPDM. It provides very good heat-aging and flex protection when used in combination with WESTCO™ TMQ.

SPECIFICATIONS:

Appearance: Off white to light yellow powder or oiled powder
*Melting Point

270°C Min.

*Ash

0.5% Max.

*Volatiles

0.5% Max.

*Sieve residue (100 mesh)

0.1% Max.

*Sieve residue (230 mesh)

0.5%

Specific Gravity, typical

1.30

Oil Content

1-2%

*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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