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

Generic D-23 Silane Coupling Agent Polymethyltriethoxysilane

GenericD-23SilaneCouplingAgentPolymethyltriethoxysilaneisapremiumsilanecouplingagentfromGeneric’sD-series,designedtoenhanceadhesionbetweenorganicpolymersandinorganicsurfaceslikeglass,metal,orfillers.Itfeaturesamethylandthreeethoxygroupsforcontrolledhydrolysisandcrosslinking,offeringexcellentmoistureresistance,flexibility,andcompatibilitywithresinsincludingepoxy,polyester,andacrylics.
  • generic d 23 silane coupling agent polymethyltriethoxysilane_bc6cea70
  • generic d 23 silane coupling agent polymethyltriethoxysilane_bc6cea70

Features Of Generic D-23 Silane Coupling Agent Polymethyltriethoxysilane

  1. Highly effective hydrophobic modifier for silica, glass, and mineral fillers.

  2. Enhances interfacial adhesion between organic polymers and inorganic substrates.

  3. Offers excellent hydrolytic stability due to controlled ethoxy group reactivity.

  4. Low volatility and favorable handling safety profile compared to chlorosilanes.

  5. Compatible with common solvent-based and water-reducible coating systems.

Typical Applications Of Generic D-23 Silane Coupling Agent Polymethyltriethoxysilane

  1. Reinforcement of silicone rubber compounds with fumed or precipitated silica.

  2. Surface treatment of fillers in high-performance epoxy composites.

  3. Adhesion promotion in automotive sealants and structural adhesives.

  4. Moisture-cure additive in polyurethane and polysulfide elastomeric sealants.

  5. Functionalization of glass fibers for thermoset and thermoplastic reinforced plastics.

Specifications Of Generic D-23 Silane Coupling Agent Polymethyltriethoxysilane

Chemical TypeOrganofunctional alkoxysilane (methyl-substituted triethoxysilane)
Product FormLiquid
AppearanceColorless to pale yellow clear liquid
Density (25°C)0.92–0.94 g/cm³
Refractive Index (25°C)1.385–1.395
Flash Point (Tag Closed Cup)≥ 35°C
SolubilityMiscible with alcohols, aromatic and aliphatic hydrocarbons; partially miscible with water
Storage Stability≥ 12 months in sealed container at room temperature


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