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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.

Industrial field additive, organo silicone, rubber & additives
Bestone Chemicals Co., Ltd.
Phone 0086-571-86803010
Fax 0086-571-56191011
Homepage http://www.eastoneco.com
E-mail james@eastoneco.com
Address 10F, zhongzhen mansion, No. 18, qiutao road, Hangzhou, 310008, China
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