5W Electromagnetic Wave Absorbing Material

Introduction

The 5.0W/m·K EMI Absorbing Thermal Pad is a premium-grade material that integrates extremely high thermal conductivity with advanced electromagnetic interference absorption. Engineered for high-power and high-frequency devices, this pad is formulated with a thermally conductive silicone base and infused with magnetic absorbers. It efficiently transfers heat and absorbs EMI in GHz frequencies, ensuring optimal thermal performance and electromagnetic compatibility in demanding environments.

Features

Ultra-High Thermal Conductivity: 5.0W/m·K for powerful heat dissipation in dense electronic systems

Superior EMI Absorption: Attenuates GHz-level electromagnetic waves, enhances EMC

Highly Compressible & Flexible: Perfect for filling gaps and reducing mechanical stress

Easy to Apply: Naturally tacky surface; supports die-cutting, no extra adhesive needed

RoHS & UL94 V-0 Compliant: Environmentally safe and flame retardant

Customizable Thickness & Shape: Tailored to specific design and thermal demands

Application

5G base stations, RF modules, and high-frequency communication systems
Power electronics, laser systems, servers, GPU units
Automotive radar, LiDAR, cameras, and ECU control modules
Industrial automation and smart manufacturing platforms
High-speed switches, data processors, and AI computing modules
Military and aerospace electronics with stringent EMC requirements

Specification

Property	Unit	Value	Test Method
Material	—	Silicone Rubber	—
Color	—	Gray-black	—
Thermal Conductivity	W/m·K	5	ASTM D5470
Density	g/cm³	3.3	ASTM D792
Volume Resistivity	Ω·cm	10¹²	ASTM D257
Operating Frequency	GHz	0.01~6	GB/T 32596
Hardness	Shore 00	50	ASTM D2240
Thickness Range	mm	0.5–5	ASTM D374
Operating Temperature	℃	-40~150	IEC 60068-2-14
Flame Rating	—	V0	UL 94
RoHS Compliance	—	Compliant	RoHS
REACH Compliance	—	Compliant	REACH
Halogen-free	—	Compliant	EN14582

Nfion

5.0W/m.k EMI Absorbing Thermal Pad