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Silane Coupling Agents | Mercapto Silanes | Sulfur Silanes | Surface Modifiers

Chemical Name:

gamma-Mercaptopropyltriethoxysilane.
Synonym: 3-Triethoxysilypropylmercaptan


Chemical Structure:

Typical Physical Properties:

Chemical Name:
3-Mercaptopropyltriethoxysilane
CAS No.:
14814-09-6
EINECS No.:
238-883-1
Formula:
C9H22O3SSi
Molecular Weight:
238.42
Boiling Point:
210°C [760mmHg]
Flash Point:
88°C
 
Color and Appearance:
Clear to straw liquid with unpleasant odor of sulfide.
Density [25°C]:
0.993
Refractive Index [25°C]:
1.4331
Purity:
Min.97.0% by GC

Introduction:

YokoSil™ S82 is a mercapto-functional silane that finds use as a coupling agent in polysulfide and polyurethane caulks and sealants. It is especially useful in sulfur-cured and metal oxide-cured elastomers. Chemically bonding reinforcing minerals like silica, clay, mica and talc to the polymer matrix, properties including modulus, tensile and tear strength, heat buildup, abrasion resistance, resilience, compression set and cure time are improved in mineral-filled elastomers. It can be used as a pretreatment on minerals or added at the time of compounding. Being a rather efficient and fast sulfur containing silane, typically lower silane loading levels are used.

Application:

Improves the adhesion of polysulfide and polyurethane sealants to glass and metal surfaces.
Improves low-rolling resistance in silica-reinforced tire tread compounds.
Enhances properties in mineral-reinforced articles such as shoe soles, rubber goods.

Suitable for use in polymer such as Butyl | Epoxy | Neoprene | Nitrile | Phenolic | Polysulfide | Polyurethane | Styreue Butadiene.

Packing: Net weight 210L steel drum or 1000L IBC container, for more details, please visit Packing Centre.

Storage:In the unopened container it has a shelf life of at least 12 months.

 
Trade Terms
The trade terms in our formal quotation shall be governed and interpreted under the provisions of 2000 INCOTERMS provided by International Chamber of Commerce (ICC). Order now

 


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