Product Introduction: HumiSeal® 1R32
HumiSeal® 1R32 is a fast-drying, single-component acrylic conformal coating that offers exceptional moisture and environmental protection for printed circuit assemblies. It fluoresces under UV light for easy inspection and is easily repairable, ensuring long-lasting performance. It is fully compliant with RoHS Directive 2015/863/EU and IPC-CC-830 standards.
HumiSeal® 1R32 Features:
- Acrylic chemistry
- Fast drying
- Single component
- Compatible with various thinner types
- Excellent moisture and environmental protection
- Outstanding flexibility
- Fluorescence under UV light for easy inspection
- Reworkable with ease
- RoHS Directive 2015/863/EU and IPC-CC-830 compliant
HumiSeal® 1R32 Applications:
- Ensure clean substrates before application
- Ensure surfaces are free from moisture, dirt, wax, grease, and flux residues
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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| Density, per ASTM D1475 | 0.91 ± .02 g/cm3 |
| Solids Content, % by weight per Fed-Std-141, Meth. 4044 | 35 ± 2 % |
| Viscosity, per Fed-Std-141, Meth. 4287 | 220 ± 30 centipoise |
| VOC | 600 grams/litre |
| Drying Time to Handle per Fed-Std-141, Meth. 4061 | 10 minutes |
| Recommended Coating Thickness | 25 – 75 microns |
| Recommended Curing Conditions | 24 hrs @ RT or 30 min @ 76°C |
| Time Required to Reach Optimum Properties | 7 days |
| Recommended Thinner (dipping & brushing) | HumiSeal® Thinner 505 |
| Recommended Thinner (spraying) | HumiSeal® Thinner 521 |
| Recommended Stripper | HumiSeal® Stripper 1080 |
| Shelf Life at Room Temperature, DOM | 24 months |
| Thermal Shock, 50 cycles per MIL-I-46058C | -65°C to 125°C |
| Coefficient of Thermal Expansion – TMA | 170 ppm/°C below Tg |
| 340 ppm/°C above Tg | |
| Glass Transition Temperature – DSC | 14°C |
| Modulus – DMA | 2000 MPa @ -40°C |
| 1050 MPa @ 20°C | |
| 8.5 MPa @ 60°C | |
| Dielectric Withstand Voltage, per MIL-I-46058C | >1500 volts |
| Dielectric Breakdown Voltage, per ASTM D149 | 7500 volts |
| Dielectric Constant, at 1MHz and 25°C per ASTM D150-65T | 2.5 |
| Dissipation Factor, at 1MHz and 25°C, per ASTM D150-98 | 0.01 |
| Insulation Resistance, per MIL-I-46058C | 8.0 x 1014 ohms (800TΩ) |
| Moisture Insulation Resistance, per MIL-I-46058C | 6.0 x 1010 ohms (60GΩ) |
| Fungus Resistance, per ASTM G21 | Passes |
