Dow Corning OFS-6341 (N-octyltriethoxysilane) is a hydrophobic silane coupling agent that enhances adhesion and water resistance in coatings and composites. Its small molecular structure enables deep penetration into concrete and metal substrates, forming durable siloxane crosslinks. Ideal for waterproofing and anti-corrosion applications, it improves mechanical strength (>90% wet adhesion retention) and complies with REACH/RoHS, reducing VOC emissions by 15–20%
Deep Penetration - Small molecule design ensures thorough substrate infiltration for long-lasting hydrophobicity .
Interfacial Bonding - Ethoxy groups react with inorganic surfaces; alkyl chains enhance compatibility with polymers .
Process Efficiency - Low viscosity (0.875 g/cm³) facilitates uniform dispersion in formulations .
Multi-Substrate Compatibility - Effective on concrete, metals, and polyolefins
Concrete Waterproofing - Commercial buildings and bridges with >1,000-hour salt spray resistance
Anti-Corrosion Coatings - Aluminum/steel protection in harsh environments
Polymer Composites - Mineral filler modification for improved dispersibility in polyolefins .
Infrastructure Sealants - Parking garages and highways with extended service life
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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