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.
Appearance: Off white to light yellow powder or oiled powder
*Sieve residue (100 mesh)
*Sieve residue (230 mesh)
Specific Gravity, typical
*Reported on certificate of analysis.
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For WESTCO™ MMBI - 4-and5-methyl-2-mercaptobenzimidazole
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