Custom OEM Two Component Silicone Potting Compound Thermal Conductivity 0.8 W/mK for EV BMS Battery Encapsulation
Product Overview
HN-8806 is a custom OEM two-component addition cure silicone potting compound engineered for EV Battery Management System (BMS) encapsulation. With 0.8 W/m·K thermal conductivity and UL 94 V-0 flame retardancy, it delivers reliable thermal management and electrical protection for automotive-grade power electronics. Our 5-step custom formulation process delivers tailored samples within 3-5 working days, backed by a 40,000 sqm production base and ISO-certified quality control.
Key Features for EV BMS Applications
- ✅ 0.8 W/m·K Thermal Conductivity — Efficient heat dissipation for BMS power modules and onboard chargers
- ✅ UL 94 V-0 Flame Retardant — Self-extinguishing within 30 seconds, critical for EV safety compliance
- ✅ 18-25 kV/mm Dielectric Strength — Superior electrical insulation for high-voltage battery systems
- ✅ -50°C to 250°C Operating Range — Reliable performance across extreme automotive environments
- ✅ 1:1 Mix Ratio — Simplified metering and mixing for automated production lines
- ✅ Low Shrinkage & Non-Corrosive — Protects sensitive BMS components without degradation
- ✅ RoHS & REACH Compliant — Full regulatory compliance for EU and global automotive supply chains
- ✅ Custom Formulation Service — Adjustable viscosity, hardness, and thermal conductivity to match your BMS design
Technical Specifications
| Parameter | Part A | Part B |
|---|---|---|
| Appearance (Before Curing) | Grey Fluid | White Fluid |
| Viscosity at 25°C | 4500~5000 mPa·s | 4500~5000 mPa·s |
| Density at 25°C | 1.50±0.05 g/cm³ | 1.50±0.05 g/cm³ |
| Mixing Ratio (A:B) | 1:1 (Weight & Volume) | |
| Operating Time | 0.3-0.4 hr at 25°C | |
| Curing Condition | 4-12 hr at 25°C / 0.2 hr at 80°C | |
| Property (After Curing) | Value | Test Standard |
|---|---|---|
| Appearance | Grey Elastomer | Visual |
| Hardness | Shore A 50±5 | GB/T 531.1-2008 |
| Thermal Conductivity | ≥0.8 W/m·K | GB/T 10297-1998 |
| Volume Resistivity | ≥1.0*10¹⁶ Ω·cm | GB/T 1692-92 |
| Dielectric Strength | 18-25 kV/mm | GB/T 1693-2007 |
| Temperature Resistance | -50 to +250°C | Measured |
| Flame Retardancy | UL 94 V-0 | UL 94 |
Target Applications
Protects battery management modules from vibration, moisture, and thermal stress in EV battery packs.
Encapsulates high-voltage OBC power modules requiring thermal management and electrical insulation.
Protects electronic control units and DC-DC converters from harsh under-hood environments.
Our Custom OEM Process
Requirement Consultation
Sample Development
Lab Testing & Shipment
Optimization & Mass Production
Packaging & Storage
Available in 20kg/drum or 200kg/drum packaging with export-grade moisture-proof inner lining. Store in a cool, dry place at room temperature. Shelf life: 6 months from date of manufacture. Non-toxic and non-dangerous goods, shipped under general chemical handling classification.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.