1:1 Mix Ratio UL94 V-0 Flame Retardant Thermal Conductive Potting Compound with 0.76 W/m.K for EV BMS

HANAST HN-8806 A/B Custom OEM 1:1 Thermal Conductive Silicone Potting Compound for EV BMS Battery

HN-8806 A/B is a custom OEM two-component 1:1 RTV silicone potting compound engineered for EV Battery Management System (BMS) encapsulation. Produced by our Shenzhen potting compound factory in Guangdong, China, it cures into a grey elastomer that delivers thermal management and electrical protection for automotive-grade power electronics, with OEM/ODM customization of viscosity, hardness and thermal conductivity.

Key Features

• Thermal conductivity of 0.76 W/m·K or more for heat dissipation in BMS and OBC modules
• UL94 V-0 flame retardancy for EV safety compliance
• High dielectric strength of 25-30 kV/mm for high-voltage battery systems
• Wide operating temperature range from -50°C to 250°C for automotive environments
• 1:1 mix ratio by weight for simplified metering and automated production
• Low shrinkage and non-corrosive, protecting sensitive BMS components
• Deep-section curing with no exotherm and no stress on power semiconductors
• Custom OEM/ODM formulation of viscosity, hardness and thermal conductivity
• RoHS and REACH compliant for global automotive supply chains
• Supplied as non-dangerous goods with SDS available; 6 months shelf life

Typical Applications

• EV battery BMS: protects battery management modules from vibration, moisture and thermal stress
• Onboard charger (OBC): high-voltage power modules requiring thermal management and insulation
• Automotive ECU and DC-DC converters in harsh under-hood environments
• Power modules and circuit boards with heat dissipation requirements
• Sensors, controllers and general electronic appliances requiring insulation and moisture resistance
• Applications requiring deep-section curing and low shrinkage

Technical Data (per TDS HANAST-TDS-004)

Shenzhen Potting Compound Factory, Custom OEM & ODM

Hanast is a direct Shenzhen potting compound factory based in Guangdong, China, with a 40,000 m² production facility and a dedicated R&D lab. As a Guangdong potting compound factory and China potting compound factory supplier, we run a custom OEM/ODM formulation service that tailors viscosity, hardness, thermal conductivity and cure speed to your EV BMS design, with samples delivered in 3-5 working days and wholesale factory-direct pricing.

Packaging & Storage

Supplied as Component A (25kg plastic barrel) and Component B (25kg plastic barrel), or as a ready 50kg/set kit. Store in original, tightly sealed containers in a cool, dry, well-ventilated area at around 25°C, protected from direct sunlight, moisture and extreme temperatures. Shelf life is 6 months from date of manufacture. Classified as non-dangerous goods for transport.

About this supplier

Shenzhen Hanast New Material Co., Ltd. is a premier high-tech enterprise and leading source manufacturer specializing in the R&D, manufacturing, and global supply of industrial silicone materials. As a strategic branch of the renowned Shenzhen Kanglibang Technology Co., Ltd., Hanast integrates over a decade of chemical adhesive expertise with a cutting-edge 40,000-square-meter modern production base (including our newly expanding Jiangmen facility) to deliver high-capacity, reliable material solutions worldwide.

We serve as a vital tier-one supplier and OEM/ODM partner for global factories, procurement managers, and engineering teams across diverse sectors, including electric vehicles (EV), battery energy storage systems (BESS), solar inverters, LED lighting, and industrial automation.

FAQ

Q1: What is HN-8806 A/B and which applications does it suit?
A1: HN-8806 A/B is a 1:1 thermal conductive RTV silicone potting compound. It is designed for EV Battery Management System (BMS) encapsulation, onboard chargers (OBC), automotive ECU and DC-DC converters requiring thermal management and electrical insulation.

Q2: Is it thermally conductive and flame retardant?
A2: Yes. It has a thermal conductivity of 0.76 W/m·K or more for heat dissipation and is UL94 V-0 flame retardant for EV safety compliance.

Q3: What is the mix ratio and curing schedule?
A3: Mix Component A and Component B at a 1:1 ratio by weight, with an 18-24 minute pot life at 25°C. It cures at room temperature in 2-3 hours (preliminary) or in 12 minutes at 80°C for fast cure.

Q4: Can the formulation be customized for my BMS design?
A4: Yes. We offer a custom OEM/ODM service that adjusts viscosity, hardness, thermal conductivity and cure speed to your requirements, with samples delivered within 3-5 working days.

Q5: Where is it manufactured and what certifications, MOQ and packaging are available?
A5: It is manufactured in our Shenzhen potting compound factory in Guangdong, China. HN-8806 A/B is RoHS and REACH compliant, UL94 V-0 flame retardant and classified as non-dangerous goods, supplied in 50kg/set (25kg A + 25kg B) kits with OEM/ODM bulk supply supported.