Vulcanizing Agent Tb7 Cas No.60303-68-6
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Chemical Name： Poly-tert-Butylphenoldisulfide
CAS No.：60303-68-6
Molecular formula：(C10H14O)x▪(Cl2S2)y
Molecular structure
Specification
Appearance：Yellow to reddish granules
Sulfur content，%：29.5-31.5
Softening Point，℃：95-115
Application
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 tread.
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.
Business Nature
Manufacturer
Year Established
2010
Country/Region
Guangzhou, China
Main Products
Antioxidants, Uv Absorbers...
Payment Terms
Doc Against Payment (D/P), Letter of Credit (L/C), Bank wire (T/T)
Guangzhou Chengshuai Co., LTD., is a specialized company for fine chemicals located in Guangzhou, China. We are dedicated to the development and sales of polymer additives including antioxidants, UV absorbers and light stabilizers for plastic and rubber industry, paints, printing inks, oils etc. Our production bases are located in Jiangsu province, mainly producing rubber and plastic additives. We possess a strong production capacity of 2500mt annually. With the experienced technicians and complete inspection equipment, the quality of our products is excellent. Our products are highly praised by our customers. We focus on the needs of the customers and market trends, respond with real-time services and offer our customers a wide range of products and various solutions. We have a young, dynamic and experienced team with strong responsibility. Promptness and professional are the core competencies to satisfy our clients at home and abroad. Coordinating and growing with our customers is our main purpose. It is our will and determination to make every effort to help our customers to succeed. Our principle is “Quality, Innovation and Service”. We have established the reliable long term business relationship with customers all over the world. Our products are exported to EU, North America, South America, Middle East , Asia etc. Welcome to join us. We are looking forward to the cooperation with you now.
