HONG YE SILICONE Electronic Potting is a professional-grade Silicone Potting Compound designed for EV Battery Management Systems (BMS), a core Silicone raw material with excellent thermal conductivity, flame retardancy and insulation. As a high-performance Electronic Encapsulation Adhesive, it is available in addition-curing and condensation-curing types, with adjustable viscosity and fast curing. It features wide temperature adaptability (-60℃ to 220℃), strong adhesion to PCB and automotive metals, fully complying with ISO, CE and RoHS standards, protecting EV BMS components from overheating and damage, ensuring safe and stable operation, meeting global new energy vehicle manufacturer demands.
Product Overview
Our Electronic Potting, also called potting glue or electronic glue, is specially developed for EV Battery Management Systems (BMS). As a professional supplier of liquid silicone and Thermally Conductive Potting Compound, we provide a reliable alternative to traditional Epoxy Potting Resin. This formula is tailored for EV BMS scenarios—excellent adhesion to PC, PMMA, PCB and automotive metals (aluminum, copper, stainless steel), flame-retardant, waterproof, shock-proof and anti-corrosion, effectively solving overheating and vibration issues of EV BMS, and suitable for various EV BMS module sizes and production processes. Technical Specifications
This is a high-performance electronic potting silicone (addition-curing and condensation-curing types available), with fully customizable parameters. Key properties:
- State before curing: Liquid colloid; Mixing: A/B components (weight ratio customizable), stir well before use to mix settled fillers
- Defoaming: 3 minutes at 0.01MPa in vacuum container after mixing, ensuring bubble-free encapsulation for stable heat dissipation
- Curing: Room temperature or heating curing; Basic curing (for next process); Full curing: 24 hours (ambient temp/humidity affects speed)
- Temperature adaptability: -60℃ to 220℃ for long-term operation, absorbs stress from EV battery temperature cycles
- Adhesion & Safety: Excellent bonding to automotive metals and PCB; flame-retardant, high insulation to avoid short circuits
- Customizable: Hardness, viscosity and operating time can be adjusted for different EV BMS module requirements
Product Features & Advantages
- Automotive-Grade Thermal Conductivity: Efficiently dissipates heat generated by EV BMS, avoids overheating damage to chips and circuits, ensuring safe battery operation.
- High Flame Retardancy: Meets automotive safety standards, effectively preventing fire risks caused by EV battery short circuits, protecting BMS and battery packs.
- Strong Vibration Resistance: Absorbs vibration and impact during vehicle operation, ensures tight encapsulation, no cracking or detachment of BMS components.
- Multi-Protection Performance: Integrates waterproof, moisture-proof, dust-proof, insulation and anti-corrosion functions, adapting to automotive working environments.
- Strong Adhesion: Excellent bonding to automotive metals (aluminum, copper) and PCB, ensuring long-term stability of EV BMS modules.
- Dual Curing & Customizable: Addition-curing (fast curing for mass production) and condensation-curing (cost-effective); parameters adjustable for EV BMS customization.
How to Use (Step-by-Step)
- Pre-Mix Preparation: Fully stir Component A to evenly mix settled fillers, and shake Component B thoroughly to ensure uniform viscosity (critical for EV BMS safety).
- Component Mixing: Mix Component A and Component B strictly according to the specified weight ratio, stirring continuously until homogeneous.
- Vacuum Defoaming: Place the mixed compound in a vacuum container and defoam at 0.01MPa for 3 minutes, then proceed to potting.
- Curing Process: Pour the mixture into EV BMS modules; cure at room temperature or heat. Proceed to the next process after basic curing, and ensure full curing (24 hours) for optimal protection and heat dissipation.
Application Scenarios
This Electronic Potting is specifically designed for EV Battery Management Systems (BMS), including electric vehicle BMS modules, BMS control boards, BMS sensor encapsulation and battery pack connection components. It protects BMS from overheating, vibration and moisture, ensuring safe and stable battery operation. For purchasers, it improves EV BMS reliability, reduces failure rates, enhances battery safety, lowers after-sales costs, and boosts competitiveness in the global new energy vehicle market.
Customization Options
We provide full customization for EV BMS requirements:
- Adjust curing hardness, viscosity and operating time to match different EV BMS module sizes and production processes.
- Optimize thermal conductivity and flame retardancy to meet strict automotive safety standards for EV BMS.
- Provide both addition-curing and condensation-curing formulas to balance production efficiency and cost.
- Support OEM & ODM services and flexible packaging specifications to meet mass production needs of EV manufacturers.
Certifications & Compliance
Our Electronic Potting meets international automotive and new energy industry standards, holding ISO 9001, CE, RoHS certifications. It has stable batch performance, is non-toxic, non-hazardous and environmentally friendly, with excellent anti-ozone and chemical corrosion resistance, widely trusted by global EV BMS and new energy vehicle manufacturers.
FAQ
Q: Is this potting suitable for high-voltage EV BMS?
A: Yes. It has high insulation performance, effectively isolating high voltage, avoiding short circuits, and meeting the safety requirements of high-voltage EV BMS.
Q: What to do if the silicone layers after storage?
A: Stir Component A and B evenly separately before use; layering does not affect product performance, ensuring normal curing and heat dissipation.
Q: Can it adapt to the vibration of electric vehicles?
A: Yes. It has strong vibration resistance, absorbs vehicle vibration and impact, ensuring no detachment of BMS components during long-term operation.
Q: Which curing type is better for EV BMS mass production?
A: Addition-curing type is recommended, as it has faster curing speed, which improves production efficiency and meets the mass production needs of EV manufacturers.