Thermal Conductive Silicone Sheet (Solid)

High Performance Thermal Conductive Silicone Sheet Manufacturer & Supplier

Thermal Conductive Silicone Sheet (Solid) is a high-performance thermal interface material (TIM) designed to efficiently transfer heat away from electronic components while providing reliable electrical insulation and mechanical cushioning. Manufactured from premium silicone elastomer filled with high thermal conductivity ceramic particles, it combines excellent thermal performance with flexibility, durability, and long-term reliability.

Compared with conventional rubber sheets, thermal conductive silicone sheets significantly improve heat dissipation, helping reduce operating temperatures and extend the service life of electronic devices. The material also offers excellent weather resistance, UV resistance, ozone resistance, and outstanding electrical insulation, making it suitable for demanding industrial and automotive applications.

As a professional manufacturer, we provide customized thermal conductivity levels, thicknesses, hardness grades, die-cut components, and OEM converting services for customers worldwide.

Key Features

• Premium solid silicone material
• Excellent thermal conductivity
• Reliable electrical insulation
• Outstanding heat resistance
• Excellent compression recovery
• Soft and conformable surface
• Low thermal resistance
• UV and ozone resistant
• Moisture resistant
• Chemical resistant
• Excellent weather resistance
• Long service life
• Easy die cutting and fabrication
• OEM customization available

Product Benefits

Thermal Conductive Silicone Sheet efficiently transfers heat from heat-generating components to heat sinks or metal housings, improving cooling efficiency and reducing thermal stress on electronic assemblies.

Its soft and compressible structure compensates for uneven surfaces and assembly tolerances, ensuring maximum contact area and stable thermal performance. At the same time, the material provides excellent electrical insulation, vibration damping, and environmental protection, making it ideal for long-term industrial use.

Typical Applications

Thermal Conductive Silicone Sheet is widely used in:

• Power modules
• IGBT modules
• MOSFET cooling
• LED lighting
• LED power supplies
• EV battery packs
• Battery management systems (BMS)
• Automotive electronics
• DC/DC converters
• On-board chargers (OBC)
• Power inverters
• Industrial control equipment
• Telecommunication equipment
• Medical electronics
• Consumer electronics
• CPU and GPU cooling
• Heat sinks
• Renewable energy equipment

Technical Specifications

Property	Specification
Material	Solid Thermal Conductive Silicone
Color	Gray / Blue / Pink / White / Custom
Thickness	0.3–10 mm
Hardness	20–80 Shore A
Thermal Conductivity	1.0–12.0 W/m·K (Custom Grades Available)
Operating Temperature	-50°C to +200°C
Electrical Insulation	Excellent
Dielectric Strength	High
Density	Custom Available
Flame Rating	UL94 V-0 (Available on Selected Grades)

Manufacturing Process

Our Thermal Conductive Silicone Sheets are manufactured using premium silicone elastomers blended with thermally conductive ceramic fillers through precision mixing, molding, and vulcanization processes. Strict production control ensures uniform filler distribution, stable thermal conductivity, and excellent mechanical performance.

Each production batch undergoes comprehensive testing, including thermal conductivity, hardness, dielectric strength, tensile strength, compression set, thickness tolerance, and visual inspection before shipment.

Custom Manufacturing Services

We provide complete OEM and converting solutions, including:

• Custom thermal conductivity
• Custom thickness
• Custom hardness
• Adhesive backing
• Precision die cutting
• CNC cutting
• Waterjet cutting
• Kiss cutting
• Sheet cutting
• Roll materials
• OEM packaging
• Private labeling

Why Choose Our Thermal Conductive Silicone Sheet?

• Premium silicone raw materials
• Excellent heat dissipation performance
• Reliable electrical insulation
• Wide thermal conductivity options
• Excellent mechanical stability
• Strict quality control
• OEM & ODM manufacturing
• Competitive factory pricing
• Fast production lead times
• Worldwide export experience
• Professional engineering support

Frequently Asked Questions

What is a Thermal Conductive Silicone Sheet?

Thermal Conductive Silicone Sheet is a solid silicone-based thermal interface material that transfers heat efficiently while providing electrical insulation and cushioning between electronic components and heat sinks.

What thermal conductivity values are available?

Standard products are available from 1.0 W/m·K to 12.0 W/m·K, with customized formulations available for higher-performance applications.

Does the material provide electrical insulation?

Yes. While offering excellent thermal conductivity, the sheet also provides high dielectric strength and reliable electrical insulation for sensitive electronic assemblies.

Can adhesive backing be supplied?

Yes. Single-sided or double-sided pressure-sensitive adhesive (PSA) backing is available to simplify installation and assembly.

Can you manufacture custom die-cut parts?

Yes. We provide precision die-cut thermal pads, custom gaskets, strips, washers, and other converted components based on customer drawings or CAD files.