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Company: Guangzhou Chengshuai New Material Co.,Ltd.
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Date/Time:  10/10/19 8:03 GMT

Poly-tert-Butylphenoldisulfide CAS NO.60303-68-6

Guangzhou Chengshuai New Material Co.,Ltd.

Chemical Name: Poly-tert-Butylphenoldisulfide
CAS No.:60303-68-6
Molecular formula:(C10H14O)x▪(Cl2S2)y

Appearance:Yellow to reddish granules
Sulfur content,%:29.5-31.5
Softening Point,℃:95-115

TB7 is the sulfur donor for natural and synthetic rubbers. It produces a high
percentage of mono-sulfidic crosslinks that results in vulcanizates with superior
aging characteristics. It can be used as either complete or partial replacements
for sulfur and thiuram and DTDM sulfur donors in EV and semi-EV type cure systems.
In tires TB7 serials are used in the innerliner, chafer, bead apex, sidewalls, and

Polymers: Natural rubber and synthetic elastomers. Especially good in curing
rubber that contains chlorine such as chlorobutyl and polychloroprene.

Synergism: It can be used with most typical rubber accelerators and sulfur. When
it is used as a partial replacement for sulfur, TB7 tends to improve dispersion of
other additives in the rubber.

Crosslink Type: TB7 promotes mono-sulfidic crosslinks resulting in vulcanizates
with excellent heat and aging resistance.

Non-nitrosamine: TB7 does not produce nitrosamines like many of the other sulfur
donors such as DTDM and the thiurams. info at

Minimum Order: 100 kilograms

Poly-tert-Butylphenoldisulfide CAS NO.60303-68-6
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