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Rubber accelerators

Antidegradnts MMB(MMBI)

Chemical name: 2-Mercaptomethylbenzimidazole
Molecular formula:C8H8N2S
Molecular weight:164.22
Properties: off-white powder . Soluble in alcohol, acetone, ethyl acetate, slightly soluble in petroleum ether, CH2Cl2,  insoluble in CCL4, benzene and water. Good stabilization storage ability. As second anti-degradant without poison.
Uses: It can be used for natural and synthetic rubbers; when it is used for non sulfur curing system, it can achieve good heat resistance; also used as vulcanizing accelerator for chloroprene rubber and as size heat sensitizing agent for size. It can not only be used for white or light-colored products, but also all rubber products; should not be used for food processing.
Technical index:

Appearance:

off-whitepowder

Initial melting pointºC≥

270

Heating loss%≤

0.5

Ash %≤

0.5

Residue on sieve 100um%≤

0.1

Packing: PE film bag lined PP woven bag or laminated kraft bag, Net wt 20kg.
Storage: Kept in cool, dry and ventilating place, avoid direct sunlight. Valid period is 2 years



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