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Methyltrimethoxysilane for Water Repellent and Silicone Catalyst CAS No.: 1185-55-3 Siwin-931图1Methyltrimethoxysilane for Water Repellent and Silicone Catalyst CAS No.: 1185-55-3 Siwin-931图2Methyltrimethoxysilane for Water Repellent and Silicone Catalyst CAS No.: 1185-55-3 Siwin-931图3

Methyltrimethoxysilane for Water Repellent and Silicone Catalyst CAS No.: 1185-55-3 Siwin-931

Price $0.00
Min Order 1 kg  
Shipping from Jiangsu, China
Quantity
-+
Product details
Siwin-931
1185-55-3
C4h12o3si
214-685-0
Colorless
Liquid
99min; 99.5min
1.3695
Siwin
Iron Drum or IBC Container
99%; 99.5%
China
2931900090
Product Description
Description
Siwin-931 is highly miscible with standard organic solvents, such as alcohols, hydrocarbons and acetone. Siwin-931 is practically insoluble in neutral water and reacts only slowly to form silanols and higher condensation products.  Addition of a hydrolytic catalyst (inorganic/organic acids, ammonia or amines) accelerates thehydrolysis of Siwin-931 substantially.
 
Application
1. Used mainly to render a wide range of surfaces and materials water repellent (e.g.mineral fillers, pigment, glass cardboard).
2. Used pure or in solution to treat fillers, using suitable mixing equipment. It may be necessary to first pre-treat the substrate with water and/or a          catalyst.
3. Used in the production of silicone resins and condensation-curing silicone rubber.
 
Typical properties
 
Product No.Siwin-931
Chemical Name
Methyltrimethoxysilane
CAS NO.
1185-55-3
Formula
C4H12O3Si
EINECS NO.
214-685-0
Appearance
Colorless Transparent Liquid
Purity (by GC, %)
99min; 99.5min
Density (ρ20) g/cm3
0.9500±0.0050
Refractive Index ( 25 ºC n D )
1.3695±0.0050


 
Package/Storage
210L Iron Drum: 190kg/drum.
1000L IBC Container: 900kg/container.



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