Technical datasheet
Silquest™ A-189 Silane
Supplied byMomentive Performance Materials- Last Updated on Nov 25, 2024
Silquest™ A-189 Silane by Momentive Performance Materials is gamma-mercaptopropyltrimethoxysilane and acts as an adhesion promoter. Used in sulfur-cured and metal oxide-cured elastomers for coatings. Improves mineral-filled elastomer properties, including modulus, tensile and tear strength, heat buildup, abrasion resistance, resilience, compression set and cure. Silquest™ A-189 Silane chemically bonds, reinforcing minerals such as silica, clay, mica and talc to the polymer matrix.
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Silquest™ A-189 Silane properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Boiling Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density, Vapor (Relative) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Evaporation Rate | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flash Point, Closed Cup | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Molecular Weight, Mw | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Refractive Index | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity, Apparent | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vapor Pressure | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Volatile Organic Compound | 0.0 Visible After Login | Visible After Login | Visible After Login |