China Suppliers Factory Two-Component Thermal Conductive Gel for Automotive BMS Module Thermal Management
Product Introduction
On modern circuit boards, components like inductors, capacitors, and microprocessors sit at different heights, creating jagged contours. Forcing a standard solid thermal pad onto uneven surfaces either applies excessive pressure that stresses delicate solder joints or leaves micro-gaps that choke heat flow.
The DR8526 Series rewrites this equation entirely. This low viscosity silicone gel flows around complex profiles and handles extreme height variations simultaneously, conforming to any gap geometry with zero assembly stress. Once cured, it forms a highly compliant thermal elastomer, creating an unbroken, ultra-low thermal resistance interface that bypasses the geometric limits of pre-cut materials.
On high-throughput production lines, traditional pads demand slow positioning and build up counter-stresses during assembly. In contrast, this soft adhesive silicone gel places zero vertical load on fragile components. Its rheology allows fast, crisp dispensing via automated mixing heads, preventing tailing and dripping to maintain rapid cycle times.
Long-term durability is where this chemistry excels. Standard compounds suffer from 'pump-out'—thermal cycles physically push material out of the joint. As a low outgassing thermal silicone, it prevents contamination of nearby optics and contacts, while the crosslinked network locks fillers in place, preventing sag and migration under vibration. With low volatile thermal silicone characteristics, it maintains stability from -40°C to 125°C, preserving dielectric isolation and thermal performance for EV battery, ADAS, and industrial electronics.
Features
Liquid-dispensed gel perfectly flows into irregular multi-height component tolerances, eliminating micro-air pockets.
Applies zero counter-pressure on sensitive silicon dies, component bodies, and micro-solder joints during casing assembly.
Crosslinked elastomeric network prevents material migration, sliding, or drying out under continuous thermal cycling.
Provides exceptional voltage isolation to isolate high-power electronics from grounded heatsinks safely.
Tailored for automated two-component precise dot or pattern dispensing without nozzle clogging or tailing.
Specifications
| Model | Color | Mix Ratio (by weight) | Hardness (Shore A) | Specific Gravity | Working Time @25°C | Thermal Conductivity |
|---|---|---|---|---|---|---|
| DR8526 Series | Black / White | 1:1 | 10-30 | 2.0±0.1 g/ml | 10-30 min | 1.0 W/(m·K) |
| Black / White | 1:1 | 10-30 | 2.5±0.1 g/ml | 10-30 min | 1.5 W/(m·K) | |
| Black / White | 1:1 | 10-30 | 2.9±0.1 g/ml | 10-30 min | 2.0 W/(m·K) | |
| Black / White | 1:1 | 10-30 | 3.2±0.1 g/ml | 10-30 min | 3.5 W/(m·K) |
Application
Automated liquid gap filling, stress-free thermal management, and interface sealing for high-density automotive battery packs (BMS), ADAS autonomous controllers, multi-height industrial power modules, and rugged telecommunications electronics.
Frequently Asked Questions
Unlike pre-cut solid pads that require manual placement and exert high compressive stress on uneven components, DR8526 is a dispensable liquid gel. It conforms seamlessly to complex height profiles with zero mechanical load, eliminating micro-air gaps for superior thermal transfer.
The DR8526 Series features a convenient 1:1 mix ratio by weight with an optimal working time of 10-30 minutes at 25°C, ensuring smooth processing in automated two-component dispensing systems.
Once cured, the gel forms a stable crosslinked elastomeric matrix. This network locks the thermal fillers securely in place, completely preventing material migration, pump-out, and vertical sagging under severe thermal cycling and mechanical vibration.
The DR8526 Series is available in multiple thermal conductivity grades ranging from 1.0 W/(m·K) up to 3.5 W/(m·K), allowing engineers to select the optimal thermal performance for their specific design requirements.
The series provides reliable long-term performance across a wide operating temperature range of -40°C to 125°C, maintaining both structural elasticity and high dielectric isolation.
Yes. Engineered with low outgassing and low volatile characteristics, DR8526 prevents chemical vaporization and surface contamination, making it safe for optical sensors, camera modules, and electrical switches in automotive ADAS and industrial devices.
