Product Introduction
The HumiSeal® UV40 LED UV Curable Conformal Coating is a one-part, high-solids, dual-cure acrylated polyurethane coating designed for LED UV curing. This coating provides excellent protection for electronics by offering moisture and chemical resistance, with a tack-free cure under LED UV light. The coating is ideal for applications requiring lower energy consumption and reduced curing temperatures.
HumiSeal® UV40 LED Features:
- Cures tack-free under LED UV light at 385nm or 395nm.
- Secondary ambient curing for unexposed areas within 7 days.
- Fluoresces under UV light for easy inspection.
- Exceptional chemical and moisture resistance.
- Crosslinked for superior durability and environmental resistance.
HumiSeal® UV40 LED Applications:
- Electronics & PCB Protection: Provides moisture and chemical protection for circuit boards.
- Selective Coating Processes: Compatible with spraying, brushing, and selective coating systems.
- Automotive & Aerospace Electronics: Enhances chemical resistance and thermal performance.
- Industrial & High-Reliability Applications: Long-term protection for electronics.
- Rework & Repair: Allows for mechanical abrasion, thermal displacement, or chemical stripping.
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
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| Property | Value |
|---|---|
| Density (g/cm³) | 1.05 ± 0.05 |
| Minimum Solids Content (%) | 95 |
| Viscosity (CPS) | 650 ± 150 |
| Recommended Coating Thickness (microns) | 25 - 125 |
| Recommended UV Cure | See curing section below |
| Shelf Life at Room Temperature | 12 months |
| Recommended Stripper | HumiSeal® Stripper 1100 (Not available in EU) |
| Thermal Shock (50 cycles per MIL-I-46058C) | -65°C to 125°C |
| Glass Transition Temperature (Tg - DSC) | -2.4°C |
| Coefficient of Thermal Expansion (TMA) | 21 ppm/°C (Below Tg), 116 ppm/°C (Above Tg) |
| Modulus (DMA) | 784 MPa @ -40°C, 29.5 MPa @ 25°C, 2.25 MPa @ 80°C |
| Flammability (UL-94) | Pending |
| Shore Hardness (D) | 35 |
| GB30981-2020 Compliance | Yes |
| Dielectric Withstand Voltage | > 1500 V (per MIL-I-46058C) |
| Insulation Resistance | 5.0 × 10¹⁴ ohms (500TΩ) (per MIL-I-46058C) |
| Moisture Insulation Resistance | 6.0 × 10¹⁰ ohms (60GΩ) (per MIL-I-46058C) |
| Surface Insulation Resistance | 8.78 log10 Ohms (per IPC-J-STD-004) |
| Resistance to Chemicals | Excellent |
