Rubber Vulcanization Accelerator MBTS(DM)
Chemical name:Dibenzothiazole disulfide
Name of similar products at home and abroad:DM, MBTS
Molecular formula: C14H8N2S4
Structural formula:
Molecular weight: 332.50
CAS Registration number: 120-78-5
Product Standard:GB/T 11408-2013
Appearance (visual inspection) | off-white to yellow powder |
initial melting point℃≥ | 166.0 |
Heating reduction %≤ | 0.40 |
ash%≤ | 0.40 |
Sifter (150µm) %≤ | 0.05 |
free M%≤< /span> | 1.0 |
purity%≥ | 95.0 |
Oil Content% | 1.0-2.0 |
According to customer standards when customers have special requirements.
Properties:Grey to pale yellow powder, slightly bitter, non-toxic. The specific gravity is 1.45-1.54, the melting point is above 164°C, soluble in chloroform, partially soluble in benzene, ethanol and carbon tetrachloride, insoluble in gasoline, water and ethyl acetate. Storage stable.
Uses: Accelerator for natural rubber and various synthetic rubbers, which can produce flat and medium-speed vulcanization with high vulcanization temperature. Safe operation, easy to disperse, no pollution, vulcanized rubber is resistant to aging. Mainly used in the manufacture of general industrial products such as tires, hoses, rubber shoes, and tapes. DM can also act as a plasticizer or retarder in neoprene.
Packing:Woven bag lined with plastic bag or kraft paper compound bag, 25kg/ bag. Or according to customer requirements.
Usage method
This product can be used as a main accelerator, usually when used in combination with thiuram,dithiocarbamate, and guaiacol accelerators, it needs to be combined with zinc oxide and stearic acid to improve reaction activity
Usage: Use as a general accelerator, add it in the second stage of internal mixing or open mill
Suggested dosage: 1.5phr-5.0phr, please increase or decrease as needed
