Rubber Accelerator

Categories	Plastic&Rubber Auxiliary Agents
pale yellow	powder
Update Time	Jul 16,2025

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Detail Information

Rubber Accelerator M (MBT)

Executive standard:GB11407-89
Chemical Name:2-Mercaptobenzothiazole
Molecule Formula:C₇H₅NS₂

Molecule Weight:167.26(In accordance with International Molecule Weight Table in 1987)
Physical & Chemical Property:Pale yellow or white powder or crystal, bitter, non-toxic, insoluble in water and gasoline, a little soluble in benzene, easy to soluble in ethyl acetate and acetone, soluble in dichloromethane, ethyl ether and chloroform and in the solution of alkali carbonate.
Application:being a general type of accelerator. This product has rapid promoting function for natural rubber and common valcanized rubber.
Technical Items:

Item	Data
Item	First-grade Product	Qualified Product
Appearance	Pale yellow or white powder or crystal
Initial Melting Point, ℃ ≥	171.0	170.0
Ash Content % ≤	0.30	0.30
Loss on heating ≤	0.40	0.50
Residue on sieve(150µm) % ≤	0.1	0.1

Packing 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 vebtilated and oily products. Oil content %:1.5-2.0, Granula diameter:2-3mm, Broken strength: 4-6 Newton.