HONG YE SILICONE Electronic Potting Compound is a professional-grade Silicone Potting Compound designed for automotive LED headlights, a core Silicone raw material with excellent waterproof and insulation performance. As a high-performance Electronic Encapsulation Adhesive, it is a two-component RTV liquid silicone with 1:1 weight ratio, low viscosity and fast room-temperature curing. It features UL94-V1 flame retardancy, ≥25kV/mm dielectric strength, fully complying with EU RoHS standards, protecting automotive LED headlight components from moisture, vibration and high temperature, ensuring stable illumination, meeting global automotive LED manufacturer demands.
Product Overview
Our Electronic Potting Compound, also called electronic silicone or encapsulation silicone, is specially developed for automotive LED headlights. As a professional supplier of Liquid Silicone and Thermally Conductive Potting Compound, we provide a reliable alternative to traditional Epoxy Potting Resin. This formula (model HY-9325 as reference) is tailored for automotive scenarios—excellent adhesion to PC, PP, ABS, PVC and metals, low viscosity for easy potting, fast deep curing, and reliable waterproof insulation, solving automotive LED headlight failure issues caused by harsh vehicle environments. Technical Specifications
This is a two-component RTV electronic potting silicone (model HY-9325 as reference), with customizable parameters. Key properties:
- State before curing: Viscous liquid; Mixing ratio (A:B): 1:1 by weight
- Viscosity (A/B): 500±100 cps; Operating time (25℃): 30-120 minutes
- Curing time: 3-5 minutes (basic curing); 24 hours (full curing) at room temperature
- Hardness after curing: 25±2 Shore A; Thermal conductivity: ≥0.2 W(m·K)
- Insulation & Flame retardancy: Dielectric strength ≥25 kV/mm; UL94-V1 grade; Volume resistance ≥1.0×1016 Ω·cm
- Storage: Shelf life 1 year; Non-hazardous, transportable as general chemicals
- Customizable: Hardness, viscosity and operating time can be adjusted as needed
Product Features & Advantages
- Superior Waterproof & Insulation: Excellent sealing and insulation performance, effectively preventing moisture, dust and impurities from entering LED headlights, avoiding short circuits and ensuring safe operation.
- Automotive-Grade Durability: Resists high temperature, vibration and impact in vehicle environments, ensuring stable performance and no cracking or detachment during long-term use.
- Flame-Retardant & Safe: UL94-V1 flame-retardant rating, complying with automotive safety standards and EU RoHS directives, eliminating fire risks in automotive LED headlights.
- Low Viscosity & Fast Curing: Easy to pour into tiny gaps of LED headlight components, fast room-temperature deep curing, suitable for mass production of automotive LED headlights.
- Excellent Adhesion: Strong bonding to PC, PP, ABS, PVC and metal surfaces, ensuring tight encapsulation and long-term stability.
- Easy Operation & Cost-Saving: 1:1 mixing ratio, simple operation; mixed glue can be used at one time, reducing waste and lowering production costs.
How to Use (Step-by-Step)
- Pre-Mix Preparation: Fully stir Component A to evenly mix settled black pigment, and shake Component B thoroughly to ensure uniform viscosity.
- Component Mixing: Mix Component A and Component B strictly at a 1:1 weight ratio, stirring continuously until homogeneous.
- Vacuum Defoaming: Place the mixed compound in a vacuum container and defoam at 0.08MPa for 3 minutes, then proceed to potting.
- Curing Process: Pour the mixture into automotive LED headlight components; cure at room temperature (basic curing in 3-5 minutes, full curing in 24 hours). Note that ambient temperature and humidity affect curing speed.
Application Scenarios
This Electronic Potting Compound is specifically designed for automotive LED headlights, including car LED headlight modules, LED headlight control circuits and LED bulb encapsulation. It provides waterproof, insulation and shock-proof protection for internal components, ensuring stable, bright illumination. For purchasers, it improves automotive LED headlight reliability, reduces failure rates, extends service life, lowers after-sales maintenance costs, and boosts competitiveness in the global automotive LED market.
Customization Options
We provide full customization for automotive LED headlight requirements:
- Adjust curing hardness, viscosity and operating time to match different LED headlight sizes and production processes.
- Optimize waterproof, insulation and thermal performance for extreme automotive environments (e.g., high temperature, humidity).
- Provide formulas beyond HY-9325 to meet specific automotive safety standards and technical needs.
- Support OEM & ODM services and flexible packaging (5kg, 20kg, 25kg, 200kg iron/plastic barrels).
Certifications & Compliance
Our Electronic Potting Compound fully complies with EU RoHS standards, holding ISO 9001, CE certifications. It has UL94-V1 flame-retardant rating, stable batch performance, is non-toxic, non-hazardous and environmentally friendly, meeting international automotive electronic industry standards, widely trusted by global automotive LED headlight manufacturers and suppliers.
FAQ
Q: Is this potting compound suitable for all automotive LED headlight materials?
A: Yes. It has excellent adhesion to PC, PP, ABS, PVC and metal surfaces, perfectly matching various automotive LED headlight component materials.
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 protection effect.
Q: What is the shelf life and transportation method of this product?
A: Shelf life is 1 year when sealed and stored properly. It is non-hazardous and can be transported as general chemicals.
Q: Can it adapt to high-temperature environments in automotive engine compartments?
A: Yes. It has excellent high-temperature resistance, adapting to the high-temperature environment near automotive engine compartments, ensuring no performance degradation or cracking.