Insoluble sulfur Polymeric sulfur CAS:9035-99-8
Chemical Name: polymer sulfur
Molecular Formula: Su
CAS NO. : 9035-99-8
Properties: nature nontoxic, combustible, yellow powder. As with the S-isomer, said mu-sulfur, high polymerization forms were not soluble in carbon disulfide and other solvents. Mu-sulfur instability can be gradually transformed into cubic crystal-sulfur, a few weeks at room temperature 50% change, as long as 80oCwith changes in a few minutes, this need by adding stabilizer to reduce its rate of change.
Application: uses insoluble sulfur used rubber industries, as curing agents make rubber surface spray cream, which will improve the steel-adhesive binding, because the plastic uniform distribution, which would ensure the quality of vulcanization, is the best rubber curing agent, it is widely used tire carcass compound , in particular meridian tires all steel, can also be used for cable, Cots, rubber products such as rubber compound.
Project |
Index |
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Appearance |
Yellow non flying powder |
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Elemental sulfur content% ≥ |
99.5 |
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Insoluble sulfur content% ≥ |
90.0 |
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Oil content% ≥ |
-- |
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Acidity% ≤ |
0.50 |
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Heating minus lining% ≤ |
0.50 |
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Ash% ≤ |
0.30 |
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Sieve residue% ≤ |
0.30 |
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Heating stability 105 ° C% ≥ |
-- |
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