HONG YE SILICONE Electronic Potting Compound (Model HY‑9045) is a two-component 1:1 Addition Curing Silicone designed for EV charging station electronics. It offers excellent flame retardancy, high insulation, waterproofing, and low shrinkage. Curing is stable with no exotherm or corrosion, ideal for charging modules, PCBs, and power components. It supports room‑temperature or heat curing, delivers long‑term weather and yellowing resistance, and ensures safe, reliable performance in outdoor EV charging environments.
Product Overview
Technical Specifications
Model HY‑9045 is a two‑component addition curing silicone with a 1:1 mix ratio. Viscosity: 2500±500 Pa·s; hardness: 45±5 Shore A; working time: 30–60 min at 25℃; curing time: 4–5 h at 80℃. Dielectric strength ≥25 kV/mm; dielectric constant 3.0 at 1.2 MHz; volume resistivity ≥1×10¹⁵ Ω·m. Hardness, viscosity, and open time can be customized.
Product Features & Advantages
- Excellent flame retardancy and electrical insulation, critical for EV charging safety.
- Low exotherm, non‑corrosive, low shrinkage during curing, protects sensitive components.
- Wide temperature elasticity, waterproof, dustproof, mildew‑resistant, and weather‑resistant.
- Good chemical resistance, anti‑yellowing, stable for long‑term outdoor use.
- Cures at room temperature or accelerated with heat, supporting automated production.
- Strong adhesion to PCBs, metals, plastics, and common charging station materials.
- Outperforms standard Electronic potting compound in high‑voltage and high‑heat scenarios.
How to Use
- Stir Parts A and B separately until fully homogeneous.
- Mix Part A and Part B at a 1:1 weight ratio.
- Degas the mixture at 0.08 MPa for 3 minutes before pouring.
- Cure at room temperature or apply low heat; full cure takes several hours.
- Use mixed material in one batch; store sealed away from moisture.
Application Scenarios
This Silicone Encapsulant is widely used in EV charging stations: charging control modules, power PCBs, connectors, and power supply units. It provides insulation, flame retardancy, waterproofing, and vibration resistance, improving stability, extending service life, lowering maintenance costs, and enhancing safety for commercial and residential EV charging systems. Customization Options
We offer full customization: hardness, viscosity, working time, curing speed, and flame‑retardant level. Special formulations for high‑voltage EV charging components are available, supporting OEM and ODM projects.
Certifications & Compliance
This product meets international electrical safety standards and is manufactured under ISO‑based quality systems. It is widely used in certified EV charging equipment worldwide.
FAQ
Q: Is this potting compound suitable for outdoor EV charging stations?
A: Yes. It is waterproof, UV‑resistant, heat‑resistant, and flame‑retardant for long‑term outdoor use.
Q: Can I speed up curing in cold weather?
A: Yes, you may apply mild heating to accelerate curing.
Q: What materials can cause incomplete curing?
A: Avoid contact with organotin compounds, sulfur, sulfides, amines, and condensation silicone materials.
Q: How should I store this product?
A: Seal tightly and store below 25℃; shelf life is 12 months. It is non‑hazardous for transport.