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40372-72-3 Crosile 69 Transparent Liquid Sulfur Coupling Agent Silane for Rubber Component

Ecopower(Guangzhou) New material Co.,limited

40372-72-3 Crosile 69 Transparent Liquid Sulfur Coupling Agent Silane for Rubber Component

Brand Name : Ecopower

Model Number : Crosile-69

Certification : ISO 9001

Place of Origin : Jiangxi China

MOQ : Negotiation, MT

Price : USD , Price Negotiation

Payment Terms : L/C, D/A, D/P, T/T, Western Union

Supply Ability : 12,000 MT/year

Delivery Time : Two weeks after order

Packaging Details : 25 kg in plastic drums and 1000kg/IBC.

Color : Transparent liquid

CAS No. : 40372-72-3

Enience No. : 254-896-5

Molecular Weight : 538.94

Molecular Structure : C18H42O6S4Si2

Chemical name : Bis[g-(triethoxysilyl)propyl] tetrasulfide

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40372-72-3 Crosile 69 Transparent Liquid Sulfur Coupling Agent Silane for Rubber Component

Product name: Sulfur silane coupling agent

Type : Silane Coupling Agent Crosile - 69

Chemical name : Bis[3-(triethoxysilyl)propyl]tetrasulfide

CAS No. : 40372-72-3

Equivalent Product Name

Si-69(Evonik), Z-6940 (Dow Corning), A-1289 (Momentive), KBE-846 (Shin-Etsu),KH-845-4

Physical Properties

A colorless yellow transparent liquid, soluble in many common organic solvents.

Specification

Test Item Value
Sulfur Content 22 % ± 1 %
The average sulfur chain length 3.75±0.15
Other impurity content ≤1.0%
Alcohol content ≤ 0.5 %
*γ2 Content

≤ 3.0%

Specific Gravity (25℃,g/cm3) 1.080 ± 0.02
Refractive Index (25℃) 1.480 ± 0.02
Viscosity 25℃ ≤14(cps)
S2 content 14 ~ 20 %
S3 content 26 ~34 %
S4 content 21 ~27 %
S5 to S8 content 24 ~30 %

Application

In the process of vulcanization, the crosslinking rate of sulfur alkyl is the same as deoxid izing rate of sulfur, so it act to resist deoxidization of vulcanization, and then improve dynamic bending properties such as heat build up and cracks expansion .The four sulfur atoms can act as activator for vulcanization.

In dynamic and static conditions, It is used for producing these rubber products: tire, hose, rubber roll, belting, cable, footwear and mechanical founding products. It can improve abrasive resistance, cutting resistance and pressure resistance, reduce hysteresis loss and hy groscopicity , improve mechanical and adhesive properties, increase thermal ageing performance, modulus and flex life.

Dosage

Recommend dosage:1.0-4.0 PHR.

Package and storage

1. Package : 25kg or 200 kg in plastic drums and 1000kg/IBC.

2. Storage : Kept in a low temperature, dry and ventilated place, avoid direct sunlight.

3. Shelf life: One year in ventilating, cool and dry area.
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Product Tags:

silane coupler

      

rubber chemicals

      
 40372-72-3 Crosile 69 Transparent Liquid Sulfur Coupling Agent Silane for Rubber Component Manufactures

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