Product Description
The HumiSeal® UV40-SOLAR UV Curable Conformal Coating is a high-solids, single-component, low-viscosity coating designed for prolonged exposure to sunlight without discoloration or degradation. It meets SAE-J-1960 accelerated aging standards, ensuring long-term UV resistance. This UV-curable coating offers excellent chemical resistance, surface hardness, flexibility, and moisture protection, curing tack-free under UV light with a secondary moisture cure mechanism completing the process in 2-3 days at ambient conditions. Fully RoHS compliant, it is ideal for solar and outdoor electronic applications.
Features of HumiSeal® UV40-SOLAR UV Curable Conformal Coating
- Resisting discoloration and degradation under prolonged sunlight exposure.
- Curing tack-free under UV light, with a secondary moisture cure within 2-3 days.
- Providing excellent chemical resistance for long-term durability.
- Offering high surface hardness while maintaining flexibility.
- Ensuring moisture resistance for outdoor and industrial applications.
- Meeting SAE-J-1960 accelerated aging standard for UV stability.
- Being fully RoHS compliant for environmental safety.
Applications of HumiSeal® UV40-SOLAR UV Curable Conformal Coating
- Solar & Photovoltaic Systems: Protecting electronic components in solar applications.
- Outdoor Electronics & LED Displays: Providing long-term UV and environmental resistance.
- Automotive & Aerospace Electronics: Ensuring durability in extreme weather conditions.
- Industrial & Harsh Environment Applications: Offering chemical and moisture protection.
- Selective Coating & PCB Protection: Applied using spraying, brushing, and automated dispensing systems.
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs. With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with: Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.About Prostech
| Property | Value |
|---|---|
| Density (g/cm³) | 1.06 |
| Minimum Solids Content (%) | 95 |
| Maximum Viscosity (CPS, per Fed-Std-141, Meth. 4287) | 650 ± 150 |
| Recommended Coating Thickness (microns) | 25 – 125 |
| Recommended UV Cure | See curing section below |
| Shelf Life at Room Temperature (DOM) | 12 months |
| Thermal Shock (50 cycles per MIL-I-46058C) | -65°C to 125°C |
| Glass Transition Temperature (Tg – DSC) | 45°C |
| Coefficient of Thermal Expansion (TMA) | 85 ppm/°C (Below Tg), 197 ppm/°C (Above Tg) |
| Modulus (DMA) | 10364 MPa @ -40°C, 4283 MPa @ 25°C, 66 MPa @ 80°C |
| Dielectric Withstand Voltage (per MIL-I-46058C) | >1500 volts |
| Dielectric Constant (1MHz, 25°C, ASTM D150-98) | 2.5 |
| Dissipation Factor (1MHz, 25°C, ASTM D150-98) | 0.01 |
| Insulation Resistance (per MIL-I-46058C) | 8.0 × 10¹⁴ ohms (800TΩ) |
| Moisture Insulation Resistance (per MIL-I-46058C) | 4.7 × 10¹⁰ ohms (47GΩ) |
| Fungus Resistance (per ASTM G21) | Pass |
