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Predispersed Rubber Chemical MMBI-70
Identification:
Chemical Name: Methyl-2-mercaptobenzimidazole
Synonym: Pre-Dispersed Polymer Bound Chemical MMBI (MMB)-80; Antioxidant MMBI (MMB)
CAS: 53988-10-6
EINECS: 258-904-8
Molecular Formula: C8H8N2S
Properties:MMBI is a synergist for other antioxidants. Effect of antioxidants combined with MBI is usually better than that alone. It is a moderate non-contaminating antioxidant especially for ultra fast accelerator contained rubber compounds and heat-resistant rubber compounds with no S but TMTD. It can activate rubbers with no S but TMTD. MMBI combined with CBS, MBT or thiurams, dithiocarbamate is an anti-scorcher and can improve processing safety and stability of rubber compounds in
storage.
Dosage: 0.6-1.5phr usually, 1-2phr as a heat-resisting improver.
Specification:
Item | Indicator |
Appearance | Grey-white granule |
Purity, % ≥ | 97.0 |
Melting point , °C ≥ | 273.0 |
Volatile content, % ≤ | 0.30 |
Ash content, % | 0.25 |
Active Content, % | 70.0 |
Binder | EPDM/EVM |
Mooney ML (1+4)50℃ | 50.0 |
Application: Various transparent, white and colored rubber products, fabric coating, especially heat-resistant products.
Packing Storage:
25kg N.W./bag, carton lined PE bag.
Stored in a dry and cool place. 1 year in its original packaging.