Silicone Sealant

Kootai 9239 is a single-component, room-temperature vulcanizing (RTV) silicone adhesive designed for high-performance bonding, thermal conductivity, and long-term durability. It cures through ambient moisture without the need for mixing or external heating, forming a tough yet elastic silicone layer ideal for electronic component bonding, gap filling, and PCBA protection. With a thermal conductivity of ‰0.5 W/m·K, dielectric strength of ‰14 kV/mm, and UL94-certified flame retardance, it ensures reliable heat dissipation and electrical insulation in demanding applications. This adhesive adheres well to metals, plastics, ceramics, glass, and printed circuit boards, making it versatile across LED modules, power electronics, and industrial assemblies. Its non-corrosive, halogen-free, and sulfur-free formulation is safe for sensitive components and meets global standards, including RoHS, REACH, and UL certifications. Kootai 9239 offers a multifunctional solution by acting as an adhesive, thermal interface material, insulator, and sealant”making it a preferred choice for modern electronics manufacturing and thermal management.

9238 RTV Silicone Adhesive is a one-component, room-temperature curing silicon elastomer designed for superior adhesion, insulation, and environmental resistance across a wide range of materials.

9238B RTV Silicone Adhesive is a one-component, room-temperature curing silicon elastomer designed for superior adhesion, insulation, and environmental resistance across a wide range of materials.

9238W RTV Silicone Sealnt is a White one-component, room-temperature curing silicon elastomer designed for superior adhesion, insulation, and environmental resistance across a wide range of materials.

Kootai 9238W is a versatile one-part RTV (Room Temperature Vulcanizing) silicone elastomer engineered to meet industrial demands for bonding, sealing, and protection. It cures upon exposure to ambient moisture, creating a durable elastomer with exceptional adhesion to a variety of substrates including metals, ceramics, plastics, glass, and wood.

Kootai 9239 is a high-performance RTV silicone adhesive designed for electronics and industrial thermal management applications. It delivers multi-functional performance by acting as a bonding agent, thermal conductor, sealant, and insulator, all in a single formulation. This one-component adhesive cures at room temperature, eliminating the need for external curing equipment. Its non-corrosive, halogen-free, and UL94 flame-retardant formulation makes it a preferred choice for PCBA, LED modules, and high-reliability electronics across industries.

9238 RTV Silicone Adhesive is a one-component, room-temperature curing silicon elastomer designed for superior adhesion, insulation, and environmental resistance across a wide range of materials.

9238 RTV Silicone Adhesive is a one-component, room-temperature curing silicon elastomer designed for superior adhesion, insulation, and environmental resistance across a wide range of materials.

9237 RTV Silicone Sealant is a one-component, de-alcoholized silicone rubber designed for advanced bonding and sealing, especially in new energy battery packs. It is non-toxic, odorless, non-corrosive, and remains flexible from -50C to +200C, providing strong adhesion and long-term durability for industrial and electronic applications.

9237 RTV Silicone Sealant is a one-component, de-alcoholized silicone rubber designed for advanced bonding and sealing, especially in new energy battery packs. It is non-toxic, odorless, non-corrosive, and remains flexible from -50C to +200C, providing strong adhesion and long-term durability for industrial and electronic applications.

9239 is a single-component, room-temperature vulcanizing (RTV) silicone adhesive with excellent thermal conductivity, flame resistance, and durability. Ideal for electronic component bonding, gap filling, and PCBA protection

9307TL is a translucent, one-component RTV silicone sealant with excellent insulation, weather resistance, and wide-temperature performance, designed for electrical and LED sealing applications.

9238W RTV Silicone Sealant is a white colored one-component, room-temperature curing silicon elastomer designed for superior adhesion, insulation, and environmental resistance across a wide range of materials.

Kootai 9238 is a versatile one-part RTV (Room Temperature Vulcanizing) silicone elastomer engineered to meet industrial demands for bonding, sealing, and protection. It cures upon exposure to ambient moisture, creating a durable elastomer with exceptional adhesion to a variety of substrates including metals, ceramics, plastics, glass, and wood.

Kootai 9239 is a high-performance RTV silicone adhesive designed for electronics and industrial thermal management applications. It delivers multi-functional performance by acting as a bonding agent, thermal conductor, sealant, and insulator, all in a single formulation. This one-component adhesive cures at room temperature, eliminating the need for external curing equipment. Its non-corrosive, halogen-free, and UL94 flame-retardant formulation makes it a preferred choice for PCBA, LED modules, and high-reliability electronics across industries.

9307TL is a translucent, one-component RTV silicone sealant with excellent insulation, weather resistance, and wide-temperature performance, designed for electrical and LED sealing applications.

9307TL is a translucent, one-component RTV silicone sealant with excellent insulation, weather resistance, and wide-temperature performance, designed for electrical and LED sealing applications. It offers a balance of flow performance and adhesion for a range of substrates including metal, glass, plastics, and gypsum board. It maintains stable elasticity across a wide temperature range (-40C to +180C) and demonstrates strong dielectric insulation (volume resistivity: 3.5 — 10´ cm). The product cures within 24 hours under ambient conditions and provides reliable weatherproofing and waterproof sealing, making it ideal for sensitive electronic and electrical components. It complies with EU RoHS directives and is safe for general storage and transport.

9307TL is a translucent, one-component RTV silicone sealant with excellent insulation, weather resistance, and wide-temperature performance, designed for electrical and LED sealing applications. Kootai 9307TL is a room-temperature vulcanizing (RTV) silicone that offers a balance of flow performance and adhesion for a range of substrates including metal, glass, plastics, and gypsum board. It maintains stable elasticity across a wide temperature range (-40C to +180C) and demonstrates strong dielectric insulation (volume resistivity: 3.5 — 10´ cm). The product cures within 24 hours under ambient conditions and provides reliable weatherproofing and waterproof sealing, making it ideal for sensitive electronic and electrical components. It complies with EU RoHS directives and is safe for general storage and transport.