Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Domestic KH172 LT172 Vinyltriethoxysilane

Domestic KH172 LT172 Vinyltriethoxysilane is a premium silane coupling agent from the KH172 series, specifically formulated for enhanced adhesion between organic polymers and inorganic substrates like glass, metals or fillers. It improves mechanical strength, moisture resistance and interfacial bonding in RTV silicones, adhesives and composite materials. Widely used in sealants, coatings and rubber reinforcement applications.
  • domestic kh172 lt172 vinyltriethoxysilane_4e075a95
  • domestic kh172 lt172 vinyltriethoxysilane_4e075a95

Features Of Domestic KH172 LT172 Vinyltriethoxysilane

  1. High-purity vinyl-functional silane with excellent hydrolytic stability under controlled conditions.

  2. Enhances adhesion between organic polymers and inorganic substrates such as glass, metals, and fillers.

  3. Reacts efficiently via its vinyl group with free radicals during polymerization (e.g., peroxide-cured elastomers).

  4. Triethoxy functionality enables robust siloxane network formation upon condensation with surface hydroxyls.

  5. Domestically manufactured to consistent quality standards, ensuring reliable batch-to-batch performance.

Typical Applications Of Domestic KH172 LT172 Vinyltriethoxysilane

  1. Adhesion promoter in silicone rubber compounds for metal or glass bonding.

  2. Surface modifier for silica, clay, and calcium carbonate fillers in thermoset composites.

  3. Coupling agent in radiation-curable coatings and inks containing vinyl monomers.

  4. Functional additive in hybrid sol-gel formulations for protective anti-corrosion coatings.

  5. Interfacial enhancer in fiber-reinforced polymer (FRP) systems for improved mechanical integrity.

Specifications Of Domestic KH172 LT172 Vinyltriethoxysilane

Chemical TypeVinyltrialkoxysilane
Product FormLiquid
AppearanceColorless to pale yellow clear liquid
Primary ApplicationsAdhesion promotion, filler surface treatment, hybrid material synthesis
Key FeaturesVinyl reactivity, hydrolyzable ethoxy groups, low volatility, compatibility with common organic solvents
Storage ConditionsKeep tightly sealed under dry nitrogen; store at 5–30 °C away from moisture and strong acids/bases
Shelf Life12 months from date of manufacture when stored properly


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