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. |
270°C Min. |
|
*Ash
0.5% Max. |
0.5% Max. |
|
*Volatiles
0.5% Max. |
0.5% Max. |
|
*Sieve residue (100 mesh)
0.1% Max. |
0.1% Max. |
|
*Sieve residue (230 mesh)
0.5% |
0.5% |
|
Specific Gravity, typical
1.30 |
1.30 |
|
Oil Content
1-2% |
1-2% |
*Reported on certificate of analysis.
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For WESTCO™ MMBI - 4-and5-methyl-2-mercaptobenzimidazole
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