Insoluble Sulfur CAS NO.9035-99-8

Type:Insoluble Sulfur
Molecular: Su
CAS NO:9035-99-8
Applications:uses insoluble sulfur used rubber industries

1.Chemical Name: polymer sulfur

2.Molecular Formula: Su

3.CAS NO. : 9035-99-8

4.Executive standard:GB/T18952-2003

5.Specification:

Item

Index

Non-oil-extended Type

Oil-extended Type

IS 60

IS 90

IS70-20

IS60-33

IS60-10

IS60-05

Appearance
(Visual inspection)

Yellow powder

Yellow andnon-risiing powder

Element SulfurContent, % ≥         

 

99.50

79.00

66.00

89.00

94.00

Insoluble Sulfur Content,%       ≥

60.00

90.00

70.00

60.00

Oil Content,%      

 

19.00
~21.00

32.00
~34.00

9.00
~11.00

4.00
~6.00

Acidity(H2SO4),%       ≤

0.05

Loss ondrying(60oC),%      ≤

0.50

Ash, %       ≤

0.30

Residues on 150μmsieve,   %≤

0.30

 

6.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.

 

7.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.

 

8.Packing: Polypropylene knitted bags lined with polyethylene bags.Net weight 25kg per bag.

 

9.Storage: The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. 

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