Rubber accelerators
Chemical name: 2-Mercaptobenzimidazole
Molecular formula:C7H6N2S
Molecular weight:150.2
Properties: light yellow or white fine powdery crystal. with bitter taste, Specific gravity 1.42±0.02, soluble in ethanol, acetone and ethyl acetate, sparingly soluble in petroleum ether and dichloromethane, insoluble in carbon tetrachloride, benzene and water, non-toxic.
Uses: Non-discoloring rubber antioxidant, used in transparent, light or bright-colored rubber products, foam latex, electric cable (0.5%), rubber accelerator stabilizer (0.5-1.5%), thermal stabilizer in natural rubber or butadiene rubber (1-2%). It is not suitable for food-contact rubber products.
Appearance:off –white or light yellow powder
Melting point: ≥290ºC
Heating loss: ≤0.4%
Ash : ≤0.4%
Residue on sieve(100mesh): ≤0.03%
Packing: PE film bag lined PP woven bag or laminated kraft bag, Net wt 25kg.
Storage: Stored in dry and ventilating place
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