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

Dow DOWSIL 3074 Intermediate

Dow DOWSIL 3074 Intermediate is a high-performance silicone-based coupling agent from Dow’s DOWSIL portfolio, engineered to enhance adhesion and interfacial bonding between organic polymers and inorganic substrates like glass, metals, or fillers—ideal for sealants, adhesives, and composite formulations requiring durability and moisture resistance.
  • dow dowsil 3074 intermediate_3a9230f3
  • dow dowsil 3074 intermediate_3a9230f3

Features Of Dow DOWSIL 3074 Intermediate

  1. High-reactivity silane coupling agent designed for enhanced interfacial adhesion between inorganic fillers and organic polymers.

  2. Hydrolytically stable structure enables consistent performance during storage and processing.

  3. Offers excellent dispersion stability in aqueous and solvent-based systems.

  4. Enables improved mechanical properties—including tensile strength and elongation—at low dosage levels.

  5. Compatible with a broad range of resins including epoxies, polyurethanes, acrylics, and phenolics.

Typical Applications Of Dow DOWSIL 3074 Intermediate

  1. Reinforced composite formulations for automotive under-hood components.

  2. Adhesion promotion in structural adhesives and sealants for construction and transportation.

  3. Surface treatment of silica, glass, and mineral fillers in thermoset composites.

  4. Performance enhancement in rubber compounds for high-wear industrial applications.

  5. Functionalization of nanoscale fillers in advanced coating and ink systems.

Specifications Of Dow DOWSIL 3074 Intermediate

Chemical TypeAminosilane coupling agent (3-aminopropyltriethoxysilane derivative)
Product FormLiquid
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsFiller surface modification, polymer adhesion promotion, composite reinforcement
Key FeaturesReactive amine functionality, hydrolytic stability, low volatility
BenefitsImproved filler-matrix bonding, reduced moisture sensitivity, simplified processing
Density (25°C)Approx. 0.94–0.96 g/cm³
Storage ConditionsStore in tightly closed containers at 15–25°C; protect from moisture


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