Ketoxime-releasing RTV Silicone Rubber FL-1051 （Thermal Conductive Series)

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FL-1051 Thermal Conductive Silicone Sealant for Electronic Components

Product Overview

FL-1051 Thermal Conductive Ketoxime-Releasing RTV Silicone Rubber is a one-component, room-temperature-curing silicone adhesive and potting compound developed for electronic assemblies, electrical equipment, and industrial bonding applications. Available in three thermal conductivity grades, this material combines heat transfer capabilities with electrical insulation, elastic bonding, and environmental protection.

The silicone compound cures through a moisture-triggered hydrolysis and condensation reaction, gradually forming an elastic rubber material. Its combination of thermal conductivity, temperature resistance, and mechanical flexibility makes it suitable for component fixation, thermal interface bonding, sealing, and protective encapsulation.

Product Specifications at a Glance

• Product Model: FL-1051

• Product Type: Thermal conductive RTV silicone adhesive and potting compound

• Curing System: One-component, moisture-curing

• Thermal Conductivity Grades: 1.0 W/m·K, 1.5 W/m·K, and 2.0 W/m·K

• Operating Temperature Range: -40°C to 200°C

• Appearance: White semi-fluid or paste

• Customization: Custom colors and specifications available

Key Features and Advantages

Thermal Conductivity Options

FL-1051 is offered in three thermal conductivity grades to accommodate different heat dissipation requirements. Manufacturers can select the appropriate grade according to component heat generation, assembly design, and thermal management objectives.

Resistance to Temperature Changes

Designed for applications involving temperature fluctuations, the cured silicone rubber maintains elasticity across its specified operating temperature range of -40°C to 200°C, helping accommodate thermal expansion and contraction.

Electrical Insulation and Moisture Protection

The material provides electrical insulation and resistance to moisture, UV exposure, and aging. These characteristics support the protection of electronic assemblies and electrical components in demanding operating environments.

Elastic Bonding and Sealing

After curing, FL-1051 forms an elastic silicone structure that can help absorb vibration and accommodate mechanical stress. Its adhesion to many metal and non-metal substrates makes it suitable for bonding, sealing, and component fixation.

Resistance to Environmental Exposure

The product also features corona resistance, resistance to chemical media, and low-swelling characteristics, supporting its use in a range of industrial and electronic applications.

Technical Specifications

Note: The values above are based on the supplied product specifications. Actual performance may depend on curing conditions, application thickness, and substrate characteristics.

Typical Applications

FL-1051 thermal conductive RTV silicone rubber can be used in electronic manufacturing, electrical insulation, automotive assembly, and industrial equipment production.

Electronics and Thermal Management

• Thermal bonding and encapsulation of heat-dissipation substrates in high-power LED lighting.

• Thermal conductive sealing and fixation of power modules, transformers, and other heat-generating components.

• Bonding and protection of printed circuit boards (PCBs), capacitors, transistors, and sensitive electronic parts.

• Moisture-resistant encapsulation of delicate electronic accessories.

• Bonding and sealing in circuit boards, refrigerators, microwave ovens, and solar energy equipment.

Electrical and Power Equipment

• Insulating bonding and sealing for applicable cable insulation systems and electrical components.

• Protective encapsulation for electrical assemblies exposed to moisture and environmental stress.

• Insulation, reinforcement, bonding, and sealing for sensors, electrical appliances, power systems, and wires and cables.

• Selected applications involving CRT picture tubes and DY deflection coils.

Automotive and Industrial Manufacturing

• Gasket sealing for automotive headlights.

• Structural bonding of steel plates in vehicle compartments.

• Bonding and sealing of metal and non-metal components subject to temperature changes.

• Bonding and reinforcement of wear-resistant ceramic liners installed inside power plant pipelines.

• Sealing and bonding of glass in window frames.

• Applications involving refrigeration equipment, mechanical systems, shipbuilding, chemical equipment, and light industrial manufacturing.

Application suitability should be confirmed through substrate compatibility testing and evaluation under actual operating conditions.

Product Supply and Customization

FL-1051 is available in multiple thermal conductivity grades to support different manufacturing and assembly requirements. Customers can choose between 1.0 W/m·K, 1.5 W/m·K, and 2.0 W/m·K formulations based on their application needs.

Customized colors and specifications can be discussed for projects requiring specific production or assembly conditions. Before bulk purchasing, buyers are encouraged to verify curing behavior, adhesion, dispensing compatibility, and thermal performance for their intended applications.

For product details, technical assistance, or customized supply inquiries, please contact our sales team to discuss your requirements for FL-1051 thermal conductive RTV silicone rubber.