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2-HPD-TC350L Low oil OutputThermal Conductive Silicone Sheet

2‑HPD‑TC350L is a high‑thermal‑conductivity, low‑oil‑bleed silicone thermal pad for electronic and electrical thermal management applications. It is specially engineered for gap‑filling heat transfer designs, filling gaps to transfer heat between heat‑generating units and heat‑dissipating components, while offering insulation, shock absorption and sealing functions. It meets design demands for miniaturized and ultra‑thin equipment with great processability and practicality across a wide thickness range, making it an excellent thermal gap filler. With proper flexibility, outstanding insulation, high compressibility and inherent surface tack, it supports automated production and simplifies product maintenance.

Product Introduction

Product Parameters

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Product Features

Delivers outstanding thermal conductivity, low thermal resistance, with stable performance and long‑term reliability. It compensates for structural manufacturing tolerances and relaxes tolerance requirements for heat sinks and thermal assemblies. It offers favorable flexibility, excellent electrical insulation and EMC protection. The soft material features high compressibility with shock‑absorbing and sound‑dampening effects. Good resilience enables convenient reusability for installation and testing. Its inherent surface tack ensures firm adhesion to ICs or metal surfaces against easy detachment.

Typical Applications

Thermal conduction between aluminum substrate and heat sink; thermal transfer for MOSFETs, transformers (or capacitors / PFC inductors) to heat sinks or housings; thermal dissipation for main‑board ICs against heat sinks or enclosures; automotive electronics applications (such as xenon lamp ballasts, audio equipment and vehicle‑mounted products); thermal interface for power amplifier ICs and image decoder ICs with heat sinks (housings); microwave ovens, air conditioners (power ICs of fan motors to enclosures), induction cookers (thermistors to heat sinks).

Product Parameters

Product FeaturesUnitParameterTest Standard
Structure——Ceramic Filled SiliconN/A
Color——Light BlueVision
Specific Gravityg/cm33.0±0.2ASTM D792
Thicknessmm0.3-10.0ASTM D374
HardnessShore C20-55ASTM D 2240
Tensile Strength@SC30,1mmMPa≧0.15ASTM D412
Tear Strength @SC30,1mmN/mm≥0.4ASTM D412
Elongation at break@SC30,1mm%≥130ASTM D412
Compression Ratio@SC25,50psi%≧25ASTM D 575
Oil Yield Rate%≦0.8150℃48h
Flame Retardant Rating——V-0UL94
Operating Temperature-40~200N/A
                         Thermal Properties :
Thermal Conductivity@3mm,20psiW/m·K3.5±0.2ASTM D5470
Thermal Resistance@1mm,20psi℃in2/W≦0.42ASTM D5470
                         电学特性:
Breakdown Voltage@1mmkV/mm≧6.5ASTM D149
Volume Resistivity@1mmΩ·cm≧1013ASTM D257
Dielectric Constant@2mm,1MHzC²/(N·m²)≧5ASTM D150
Dielectric Loss@2mm,1MHz——≦0.1ASTM D150
Shelf LifeMonth12——

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