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

DOW XIAMETER OFS-6665 Silane

DOW XIAMETER OFS-6665 Silane is a specialty organosilane coupling agent from Dow’s XIAMETER portfolio, designed to enhance adhesion between inorganic substrates (e.g., glass, metals) and organic polymers in composites, sealants, and coatings. It improves mechanical strength, moisture resistance, and interfacial bonding via hydrolyzable alkoxy groups and reactive silanol functionality.
  • dow xiameter ofs 6665 silane_cdcc9989
  • dow xiameter ofs 6665 silane_cdcc9989

Features Of DOW XIAMETER OFS-6665 Silane

  1. Highly reactive alkoxysilane designed for efficient surface modification of silica, glass, and mineral fillers.

  2. Offers excellent hydrolytic stability in formulated systems prior to curing.

  3. Enables strong covalent bonding between organic polymers and inorganic substrates.

  4. Delivers improved dispersion and reduced agglomeration of fillers in polymer matrices.

  5. Compatible with a broad range of resins including epoxy, phenolic, acrylic, and polyurethane systems.

Typical Applications Of DOW XIAMETER OFS-6665 Silane

  1. Reinforced epoxy composites for aerospace and electrical laminates.

  2. High-performance foundry core binders with enhanced green strength and thermal stability.

  3. Mineral-filled thermoset and thermoplastic compounds for automotive under-hood components.

  4. Adhesion promoters in structural adhesives and sealants for glass-to-metal bonding.

  5. Surface treatment agent for fumed silica in silicone elastomer formulations.

Specifications Of DOW XIAMETER OFS-6665 Silane

Chemical TypeAlkoxysilane (3-glycidoxypropyltrimethoxysilane derivative)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsFiller coupling agent, adhesion promoter, surface modifier
Key FeaturesReactive epoxide functionality, hydrolyzable methoxy groups, low volatility
BenefitsEnhanced mechanical properties, improved moisture resistance, increased interfacial adhesion
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 under recommended conditions


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