Accelerator M(MBT) Molecular formula C7H5NS2 Chemical Name 2-Mercaptobenzothiazole Executive standard GB/T 11407-2003 Specification Index grade appearance pale yellow or white powder or crystal first conformity inital m.p(oC)≥ 171.0 170.0 ash content% ≤ 0.30 0.30 loss on heating ≤ 0.40 0.50 residue on sieve(150μm)% ≤ 0.10 0.10 Application: Being a general type of accelerator. This product has rapid promoting function for natural rubber and common valcanized rubber. Package and Storage: The outer is a woven bag, the inner is a plastic bag. Net weight:20kg. It should be stored in the place of cool, dry& good ventilated and away from fire. We also are supplying granular and oily products.