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Thermal Conductive Insulating Silicone Fiberglass Sheet

Thermal Conductive Insulating Silicone Rubber Fiberglass Sheet provides excellent heat dissipation and high dielectric strength. Reinforced with a fiberglass carrier, it ensures maximum tear resistance and dimensional stability. We specialize in precision die-cutting services, delivering custom-shaped thermal insulators tailored to your specific industrial requirements.

  • Color Gray/yellow/pink
  • Base Material Silicone Rubber + Fiberglass
  • Thickness 0.23, 0.3, 0.45, 0.8mm
  • Operating Temperature -60~180°C
  • Dielectric Strength 4.5KV
  • Thermal Conductivity 1.3W/m*K
  • Tensile Strength 10Mpa
  • Flammability V-0
  • Adhesive Thickness 5-7um
  • Size 300mm x 50m and 300mm x 25m

product detail

High-Performance Construction This material is engineered by integrating thermally conductive silicone rubber with a durable fiberglass mesh. The fiberglass reinforcement prevents the sheet from puncturing or tearing during assembly, especially when compressed between sharp-edged heat sinks and electronic components. It offers a stable and reliable thermal interface for high-power applications.

Key Performance Benefits

  • Mechanical Toughness: Fiberglass carrier provides exceptional puncture and tear resistance.

  • Stable Insulation: Maintains high dielectric breakdown voltage under mechanical pressure.

  • Thermal Efficiency: Low thermal resistance ensures rapid heat transfer to extend component life.

  • Flame Retardancy: UL94 V-0 rated for enhanced safety in critical electronic systems.

Precision Die-Cutting Services We offer professional die-cutting capabilities to meet your unique design needs. Our advanced equipment can convert these thermal sheets into precise shapes, such as TO-package gaskets or complex custom layouts. This ensures a perfect fit for your power modules, reducing assembly time and material waste.

Data Sheet

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1. Power Supplies & Converters

Applications: Used as a reliable insulator for MOSFETs and IGBTs. The fiberglass core prevents electrical shorts even under high mounting torque in industrial power systems.

2. Automotive & EV Systems

Applications: Essential for battery management systems (BMS) and motor controllers where vibration resistance and high-voltage insulation are critical.

3. LED & Consumer Electronics

Applications: Provides efficient thermal management for LED drivers and high-speed telecommunication modules. Our custom die-cut shapes ensure seamless integration into compact housings.