Si69 bis-(γ-triethoxysilylpropyl)-tetrasulfide CAS NO.40372-72-3

name: superlink®si69

description:

it’s a kind of multifunctional silane coupling agent that has been used successfully in the rubber industry.

key features:

1. tetrasulfide silane si69 is a kind of polysulfide silane mixture, the average sulfur chain length is 3.75

2. it is suitable to be used as additive in polymers such as nr, ir, sbr, br, nbr, and epdm.

3. si69 can be used in the vulcanized rubber system with fillers such as silica and clay as reinforcing agent. it can improve the reinforcing properties of fillers and rubber abrasive resistance. it can reduce tire rolling resistance and heat build-up.