... ,ISO14001,REACH pre-register.Powder,Granular,Masterbatch Rubber Accelerator MBT (M)Chemical Name:2-MercaptobenzothiazoleMolecular Structure: Molecular Formula:C 7 H ... .500.500.50Ash, % Max.0.300.300.30Residue on 150µm Sieve Max.0.100.10-Addtitive, %-1.0 ~ 2.00 ... bags. Net weight 25 kg per bag. Rubber Accelerator MBT (M);CAS No.:149-30-4