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organo silane Si 69
Bis-(3- triethoxysilyl propyl)-tetrasulfide
40372-72-3
effective coupling agent of inorganic fillers to rubber

vulcanizing rubber applications

radial tyre

other rubber product.
Degussa Si 69
Dow Corning Z-6940
Our organosilane is just the coordinate of Degussa's Si 69 and Dow Corning's Z-6940. Further more, a higher sulphur content is guranteed no less than 22.8%. Please mail james(a)eastoneco.com for further information. The specification is as following:
Molecular Formula: (C2H5O)3-Si-(CH2)3-S4-(CH2)3-Si-(C2H5O)3
CAS Number: 40372-72-3
sulphur content: 22.8%

average sulphur chain length: 3.75

density: 1.10g/cm3.

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Bestone Chemicals Co., Ltd.
ÀüÈ­¹øÈ£ 0086-571-86803010
Æѽº¹øÈ£ 0086-571-56191011
ȨÆäÀÌÁö http://www.eastoneco.com
À̸ÞÀÏ james@eastoneco.com
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