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

Momentive SILQUEST A-LINK599 Silane Coupling Agent

Momentive SILQUEST A-LINK599 is a thiocarboxylate-functional silane coupling agent with octanoyl-blocked mercapto groups, designed to enhance adhesion in rubber, coatings, and composites. It offers low odor, volatility, and delayed reactivity until activation, ensuring superior shelf stability. Ideal for automotive sealants and rubber products, it improves wet adhesion (>90% retention) and chemical resistance while complying with REACH standards

Features Of Momentive SILQUEST A-LINK599 Silane Coupling Agent

  1. Controlled Reactivity - Octanoyl blocking prevents premature sulfur activation, enabling stable storage and processing

  2. Interfacial Bonding - Hydrolyzes to active mercaptosilane, forming robust resin-substrate bonds

  3. Process Efficiency - Low viscosity (1.05 g/cm³) facilitates filler dispersion and reduces mixing steps

  4. Multi-Substrate Adhesion - Bonds glass, metals, and automotive topcoats (leaded/lead-free frits)

  5. Sustainability - Halogen-free, reduces VOC emissions in formulations

Typical Applications Of Momentive SILQUEST A-LINK599 Silane Coupling Agent

  1. Automotive Windshield Sealants - Superior adhesion to glass and car paints 

  2. High-Performance Tires - Silica coupling for reduced rolling resistance 

  3. Rubber Hoses/Rollers - Enhances heat resilience and mechanical strength .

  4. Wire & Cable Insulation - Improves dielectric properties and weather resistance

Specifications Of Momentive SILQUEST A-LINK599 Silane Coupling Agent

Chemical NameOctanoyl-blocked mercaptosilane
CAS No.Not disclosed
Density (25°C)~1.05 g/cm³
Flash Point>100°C (estimated)
Active Content≥97%


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