MBTS
Chemical name: Mercaptobenzothiazole disulfide
Molecular formula: C14H8N2S4
CAS:120-78-5
Test method of specification: (GB/T11408-2003)
Index Premium grades Grade one Salable product
Appearance White or light yellowish powder
Melting point,initial,℃≥ 170.0 166.0 162.0
Heat loss, %≤ 0.30 0.40 0.50
Ash , %≤ 0.30 0.50 0.70
Sieve residue(150um),%≤ 0.00 0.05 0.10
Properties: White or yellowish powder, slight bitterness, nonpoisonous, density is 1.45-1.54, can dissolve in chloroform, be insoluble inpart in benzene,alcohol,carbon tetrachloride, not dissolve in petrol,water, and acetic acid, reserve steadily.
Application : mainly use for making commercial products of tyre, hose, rubber shoes, rubberized fabric etc
MBT
Chemical name:2-Mercaptobenzothiazole
Molecular formula:C7H5NS2
CAS: 149-30-4
Test method of specification: (GB/T11407-2003)
Index Premium grades Grade one Salable product
Appearance Light yellow or greyish powder
Melting point,initial,℃≥ 173.0 171.0 170.0
Heat loss, %≤ 0.30 0.40 0.50
Ash , %≤ 0.30 0.30 0.30
Sieve residue(150um),%≤ 0.0 0.1 0.1
Properties : Straw yellow or white powder,slight osmyl and a bitter taste,nonpoisonous, density is 1.42-1.52, dissolve easily in acetic ether,acetone,watery of sodium hydrate and soda,be soluble in alcohol, be in soluble in water and petrol, reserve steadily.
Application : Accelerator for natural and synthetic rubber