Product Description
The HumiSeal® UV40HV UV Curable Conformal Coating is a high-solids, single-component acrylated polyurethane coating designed specifically for dispensing and jetting applications. It offers excellent chemical resistance, surface hardness, flexibility, and moisture protection, making it ideal for high-performance electronics and industrial applications. The coating cures tack-free under UV light, with a secondary moisture cure mechanism ensuring full curing within 2-3 days at ambient conditions. It also fluoresces under UV light for easy inspection and is fully RoHS compliant.
Features of HumiSeal® UV40HV UV Curable Conformal Coating
- Designed for precise dispensing and jetting applications.
- 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 superior moisture protection for sensitive electronic components.
- Fluorescing under UV light for easy inspection and quality control.
- Being fully RoHS compliant, ensuring environmental safety.
Applications of HumiSeal® UV40HV UV Curable Conformal Coating
- Electronics & PCB Protection: Providing moisture and chemical resistance for circuit boards and sensitive components.
- Selective Coating & Jetting Applications: Compatible with precision dispensing and automated coating systems.
- Automotive & Aerospace Electronics: Ensuring long-term durability in extreme environments.
- Industrial & Harsh Environment Applications: Offering strong insulation and protection against contaminants.
- Quality Inspection & Rework: Easily inspected under UV light and applicable for touch-up repairs.
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) | 1.05 – 1.15 |
| Minimum Solids Content (%) | 95 |
| Viscosity (CPS, per Fed-Std-141, Meth. 4287) | 3,700 ± 1,300 |
| Recommended UV Cure | See curing section below |
| Shelf Life at Room Temperature (DOM) | 12 months |
| Recommended Stripper | HumiSeal® Stripper 1100 |
| 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) |
| 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 |
