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

Dow Corning OFS-6341 Hydrophobic Silicate Coupling Agent

Dow Corning OFS-6341 (N-octyltriethoxysilane) is a hydrophobic silane coupling agent that enhances adhesion and waterproofing in coatings and composites. Its small molecular structure enables deep penetration into concrete and metals, forming durable siloxane crosslinks for >90% wet adhesion retention. Ideal for infrastructure protection, it complies with REACH/RoHS and reduces VOC emissions (329 g/L). Applications include concrete waterproofing, metal anti-corrosion, and polyolefin filler modification

Features Of Dow Corning OFS-6341 Hydrophobic Silicate Coupling Agent

  1. Deep Substrate Penetration - Small molecule design ensures thorough infiltration for long-lasting hydrophobicity .

  2. Interfacial Bonding - Ethoxy groups react with inorganic surfaces; alkyl chains enhance polymer compatibility .

  3. Process Efficiency - Dilutable to ≤3% for uniform application, reducing viscosity in formulations .

  4. Multi-Substrate Versatility - Effective on concrete, metals, and polyolefins .

Typical Applications Of Dow Corning OFS-6341 Hydrophobic Silicate Coupling Agent

  1. Concrete Waterproofing - Bridges/highways with >1,000-hour salt spray resistance .

  2. Metal Anti-Corrosion - Aluminum/steel coatings for harsh environments .

  3. Polymer Composites - Mineral filler modification in polyolefins .

Specifications Of Dow Corning OFS-6341 Hydrophobic Silicate Coupling Agent

Chemical Name
Octyltriethoxysilane
Appearance
Transparent
Specific Gravity (25℃)
0.875
Flash Point (Closed Cup)
63℃
Purity
98%
VOC Content
329 g/L
Packaging
18kg/drum


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