China Suppliers Factory Two-Component Thermal Conductive Gel for Automotive Battery 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
Infinite Gap Conformance
Liquid-dispensed gel perfectly flows into irregular multi-height component tolerances, eliminating micro-air pockets.
Ultra-Low Assembly Stress
Applies zero counter-pressure on sensitive silicon dies, component bodies, and micro-solder joints during casing assembly.
Zero Pump-Out & Vertical Sag
Crosslinked elastomeric network prevents material migration, sliding, or drying out under continuous thermal cycling.
High Dielectric Strength
Provides exceptional voltage isolation to isolate high-power electronics from grounded heatsinks safely.
Optimized Dispensing Rheology
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
Q: How does the DR8526 Series eliminate assembly stress on PCB components?
Unlike solid thermal pads that require high compressive force, DR8526 is a low-viscosity liquid gel that conforms smoothly to multi-height components with zero vertical assembly load, protecting sensitive silicon dies and micro-solder joints.
Q: How does DR8526 prevent pump-out and material sag over time?
Upon curing, DR8526 forms a crosslinked elastomeric network that locks thermal fillers in place. This structure prevents pump-out, vertical sliding, and drying out during extreme thermal cycling and vibration.
Q: Is this thermal silicone gel suitable for high-speed automated dispensing?
Yes. The material features an optimized 1:1 mix ratio and tailored rheology designed for automated 2-part meter-mix dispensing systems, preventing nozzle dripping or tailing to support high-throughput cycle times.
Q: What thermal conductivity grades are available in the DR8526 Series?
The series offers customizable thermal conductivity levels ranging from 1.0 W/(m·K), 1.5 W/(m·K), 2.0 W/(m·K), up to 3.5 W/(m·K), all maintaining a compliant 10–30 Shore A hardness.
Q: What is the operating temperature range of DR8526 Series?
With low outgassing and low volatile thermal silicone properties, it delivers continuous dielectric isolation and thermal stability across a broad temperature range of -40°C to 125°C.
Q: What are the target industry applications for this product?
It is widely used in automotive EV battery BMS modules, ADAS autonomous driving controllers, industrial multi-height power modules, and telecommunications equipment.
