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

Dow Corning XIAMETER OFS-6040 Gamma-glycidoxypropyltrimethoxysilane (Z-6040)

Dow Corning XIAMETER OFS-6040 (Z-6040) is a gamma-glycidoxypropyltrimethoxysilane coupling agent that enhances adhesion between organic polymers and inorganic substrates like glass, metals or fillers. It improves mechanical strength, moisture resistance and composite durability. Widely used in coatings, adhesives, sealants and fiber-reinforced composites. Offers excellent hydrolytic stability and reactivity with epoxy and hydroxyl groups.
  • dow corning xiameter ofs 6040 gamma glycidoxypropyltrimethoxysilane z 6040_394d752c
  • dow corning xiameter ofs 6040 gamma glycidoxypropyltrimethoxysilane z 6040_394d752c

Features Of Dow Corning XIAMETER OFS-6040 Gamma-glycidoxypropyltrimethoxysilane (Z-6040)

  1. Bifunctional silane coupling agent with epoxy and hydrolyzable methoxy groups for covalent bonding to both organic polymers and inorganic substrates.

  2. Enhances adhesion, moisture resistance, and mechanical performance in filled composites and coating systems.

  3. Offers excellent shelf stability in anhydrous conditions and controlled reactivity during processing.

  4. Enables improved dispersion of fillers such as silica, glass fibers, and minerals in epoxy, acrylic, and polyester resins.

  5. Compatible with common solvent-based and water-reducible formulations without significant gelation risk under proper handling.

Typical Applications Of Dow Corning XIAMETER OFS-6040 Gamma-glycidoxypropyltrimethoxysilane (Z-6040)

  1. Adhesion promoters in structural epoxy adhesives and automotive under-hood sealants.

  2. Surface treatment for glass fibers and mineral fillers in thermoset composites (e.g., BMC, SMC).

  3. Functional additive in UV-curable and thermally cured coatings for metals and plastics.

  4. Performance enhancer in silicone-modified epoxy encapsulants and electrical potting compounds.

  5. Interfacial modifier in hybrid sol-gel coatings and nanocomposite formulations.

Specifications Of Dow Corning XIAMETER OFS-6040 Gamma-glycidoxypropyltrimethoxysilane (Z-6040)

Chemical TypeOrganofunctional silane (epoxy-functional)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsCoupling agent, adhesion promoter, filler surface modifier
Key FeaturesEpoxy functionality, hydrolyzable methoxy groups, low volatility, high purity
BenefitsImproved interfacial bonding, enhanced composite durability, reduced moisture sensitivity
Reactivity ProfileReacts with hydroxylated surfaces (glass, metal oxides, clay) and epoxy-reactive matrices
Storage ConditionsStore in tightly sealed containers under dry, cool conditions (15–25°C); protect from moisture


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