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

Momentive Silquest Wetlink 78 3-Glycidoxypropyltrimethoxysilane

Momentive Silquest Wetlink 78 3-Glycidoxypropyltrimethoxysilane is a bifunctional organosilane coupling agent from Momentive’s Silquest® Wetlink™ series. It enhances adhesion between organic polymers and inorganic substrates like glass, metals, or minerals. Widely used in coatings, adhesives, sealants, and composite formulations for improved moisture resistance and mechanical performance.
  • momentive silquest wetlink 78 3 glycidoxypropyltrimethoxysilane_57e3f7c1
  • momentive silquest wetlink 78 3 glycidoxypropyltrimethoxysilane_57e3f7c1

Features Of Momentive Silquest Wetlink 78 3-Glycidoxypropyltrimethoxysilane

  1. Reactive epoxy-functional silane enabling covalent bonding between organic polymers and inorganic substrates.

  2. Trialkoxysilyl group ensures rapid hydrolysis and strong condensation with metal oxides, glass, and mineral fillers.

  3. Enhances wet adhesion and long-term durability in humid or submerged environments.

  4. Improves dispersion and interfacial compatibility of fillers in epoxy, polyurethane, and acrylic resin systems.

  5. Low volatility and stable shelf life under recommended storage conditions.

Typical Applications Of Momentive Silquest Wetlink 78 3-Glycidoxypropyltrimethoxysilane

  1. Adhesion promoters in structural adhesives and sealants for automotive and construction assemblies.

  2. Surface treatment agent for glass fibers and mineral fillers in composite laminates and reinforced plastics.

  3. Wet-surface bonding enhancer in marine coatings and underwater repair compounds.

  4. Functional additive in high-performance epoxy-based grouts and concrete repair mortars.

  5. Primer component for metal and concrete substrates prior to polymer coating application.

Specifications Of Momentive Silquest Wetlink 78 3-Glycidoxypropyltrimethoxysilane

Chemical TypeEpoxy-functional alkoxysilane
Product FormClear, colorless to pale yellow liquid
AppearanceHomogeneous liquid, free from visible particulates
Primary ApplicationsAdhesion promotion, filler surface modification, wet-surface bonding
Key FeaturesEpoxy reactivity, hydrolyzable methoxy groups, moisture-curable
BenefitsImproved interfacial adhesion, enhanced hydrolytic stability, reduced delamination risk
Storage ConditionsStore in tightly closed containers at 15–25°C, protect from moisture and direct sunlight
Shelf Life12 months from date of manufacture when stored properly


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