Silane coupling agent

Chemical composition

indicator

appearance

application characteristics

Coup Si-69

Bis - (3-triethoxysilylpropyl) - tetrasulfide

Sulfur content:

5 ± 0.8%

Average sulfur chain:

3.75 ± 0.15

Light yellow transparent liquid

A multifunctional organosilane coupling agent. Suitable for vulcanized rubber systems with fillers such as white carbon black, glass fiber, talc powder, mica, clay, etc. as reinforcing agents, it can improve the reinforcing ability of fillers and increase the wear resistance of rubber.

Coup Si- 69M

Mixture of bis - (3-triethoxysilylpropyl) - tetrasulfide and carbon black

Sulfur content:

12 ± 1%

Content of insoluble substances in butanone:

52% soil 3%

Black fine particles

Coup Si-75

Bis - (3-triethoxysilane)

Propyl) - disulfide

Sulfur content:

14.4 ± 0.8%

Average sulfur chain:

2.20 ± 0.15

Yellow or light yellow transparent liquid

A multifunctional organosilane coupling agent. Its function is to increase the elastic modulus and tensile strength of rubber, significantly improve the wear resistance and compression performance of rubber, while reducing rubber viscosity and saving processing energy consumption. Compared with Si-69, it can provide better coking safety.