rubber accelerator mbt chemical name: 2-mercaptobenzothiazole cas no: 149-30-4 specification: 1 appearance -------------------- light yellow powder orgrayish white powder 2 initial m. p.------------------- (min) c 170. 0 3 loss on drying ---------------(max) % 0. 40 4 ash (max) % 0. 30 5 residues on 150m sieve------------ (max) % 0. 10 application application: the product is a hemi-ultra accelerator, exteively used in vulcanization of natural and synthetic rubbe. mainly used in manufacture of rubber tire, rubber belts, rubber shoes and other technical rubber goods.