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Insoluble Sulphur

  • Chemical Name: Chemical Name: Polymeric Sulfur
  • Other Name:  Insoluble Sulphur
  • Application:  Rubber Vulcanizing Agent
  • CAS NO:  9035-99-8
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Functions and Characteristics

Oil treated insoluble sulfur
Item Specification
HD

OT-20

HS

OT-10

HS

OT-20

HS

OT-33

IS

8010

IS

7520

IS

7020

IS

6033

IS

6010

IS

6005

Appearance Non-dusting yellow powder
Heating Loss(80℃±2℃) % ≤ 0.5
Ash Content(600℃±25℃) %       ≤ 0.15
Residue on 150μm sieve %     ≤ 1.0
Acidity (H2SO4) %   ≤ 0.05
Total Sulfur  Content %    ≥ 78.5~

81.5

89.0~

91.0

79.0~

81.0

66.0~

68.0

89.0~

91.0

79.0~81.0 79.0~81.0 66.0~68.0 89.0~91.0 94.0~96.0
Insoluble Sulfur (On total Sulfur)/%       ≥ 72.0 81.0 72.0 60.0 81.0 75.0 72.0 60.0 60.0 60.0
Oil Content/% 18.5~

21.5

9.0~

11.0

19.0~21.0 32.0~34.0 9.0~

11.0

19.0~21.0 19.0~21.0 32.0~34.0 9.0~

11.0

4.0~

6.0

Thermostability (105℃) %     ≥ 75.0
Thermostability (120℃) %     ≥ 45.0
Standard:GB/T 18952-2017

 

Non oil treated insoluble sulfur
Item Specification
IS60 IS90
Appearance Yellow powder
Heating Loss(80℃±2℃)/% ≤ 0.50
Ash Content(600℃±25℃)/%  ≤ 0.20
Residue on 150μm sieve/%   ≤ 1.0
Acidity (H2SO4)/%   ≤ 0.10
Total Sulfur Content/%           ≥ 99.5
Insoluble Sulfur (On total Sulfur)/%       ≥ 60.00 90.00
Standard:GB/T 18952-2017

 

Properties: Non-toxic, flammable yellow powder named for its insolubility in carbon disulfide. It is prepared by the hot polymerization of ordinary sulfur, the molecular weight is about 30000, and the viscoelastic and molecular weight distribution of polymers, so it is also called elastic sulfur or polymerized sulfur, which is an inorganic polymer chemical raw material.

Application: Insoluble sulfur, which is mainly used as a kind of advanced accelerator and vulcanization agent in the rubber industry, is widely used in the production and manufacture of tires and other rubber composite products, such as tire body rubber material, buffer rubber material, white tire side rubber and flip tire, rubber hose, tape and other rubber and skeleton materials, and can also be used in the rubber material of cable, rubber roller, oil seal, rubber shoes and other rubber products. At the same time, it is also used in light-colored rubber products with large amount of sulfur. Because the insoluble sulfur can make the meridian, steel wire and rubber paste more firmly, effectively prevent the rubber spray, improve the heat resistance and wear resistance of the tire. Therefore, insoluble sulfur is an essential and important raw material in tire production.

Packaging: Kraft paper bag, 25kg/ bag. Or according to customer requirements.

Shelf life: 1 year.

Major Applications

Oil Seals and Gaskets:

TBBS is employed in the production of rubber seals and gaskets for applications where oil resistance and sealing properties are critical, such as in automotive engines.

Vibration Isolators:

In the field of machinery and equipment, TBBS can be used in the production of rubber components for vibration isolators, contributing to shock absorption and damping properties.

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