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

Momentive Silquest A-1630 Methyltrimethoxysilane

Momentive Silquest A-1630 Methyltrimethoxysilane is a high-purity organosilane coupling agent from Momentive’s Silquest series. It enhances adhesion between organic polymers and inorganic substrates like glass, metals, or fillers. Widely used in sealants, adhesives, coatings, and composites for improved moisture resistance, durability, and interfacial bonding. Hydrolyzes readily to form silanol groups, enabling covalent network formation. Low viscosity, excellent shelf stability, and consistent reactivity make it ideal for industrial formulation.
  • momentive silquest a 1630 methyltrimethoxysilane_764c3624
  • momentive silquest a 1630 methyltrimethoxysilane_764c3624

Features Of Momentive Silquest A-1630 Methyltrimethoxysilane

  1. Highly reactive methyltrimethoxysilane offering rapid hydrolysis and condensation kinetics for efficient crosslinking.

  2. Low viscosity liquid enables easy handling, metering, and uniform dispersion in diverse formulations.

  3. Excellent compatibility with organic polymers, resins, and fillers—ideal for hybrid silane-modified systems.

  4. Generates minimal methanol during hydrolysis compared to ethoxy-based analogues, supporting safer industrial processing.

  5. Enhances adhesion between inorganic substrates (e.g., glass, metals, minerals) and organic matrices in sealants and coatings.

Typical Applications Of Momentive Silquest A-1630 Methyltrimethoxysilane

  1. Moisture-curable silicone and hybrid polymer sealants (e.g., ASTM C920 compliant formulations).

  2. Adhesion promoters in automotive OEM and aftermarket primers for metal, plastic, and painted surfaces.

  3. Coupling agent in mineral-filled composites, including silica-reinforced RTV silicones and construction-grade caulks.

  4. Surface modifier for glass fibers and fillers in thermoset composites (epoxy, phenolic, and polyurethane systems).

  5. Key crosslinker in silane-modified polymers (SMPs) used in high-performance architectural and industrial sealants.

Specifications Of Momentive Silquest A-1630 Methyltrimethoxysilane

Chemical TypeMethyltrimethoxysilane
Product FormClear, colorless liquid
AppearanceTransparent, water-white liquid
Primary ApplicationsAdhesion promotion, crosslinking, surface modification
Key FeaturesFast hydrolysis, low volatility, high purity, excellent shelf stability
BenefitsImproved green strength, enhanced substrate adhesion, reduced VOC profile
Storage ConditionsStore in tightly closed containers under dry, cool conditions (15–25°C)
Shelf Life12 months from date of manufacture when stored properly


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