Product Introduction
HumiSeal® 1B31 is a fast-drying acrylic protection solution for PCBs, offering UV tracer support and superior reliability in harsh environments. It is ideal for commercial PCB protection and manual rework or touch-up processes, providing an efficient and durable finish that withstands thermal and moisture stresses.
HumiSeal® 1B31 Features:
- Acrylic-based with UV tracer
- Flexible and durable finish
- Easy aerosol application
- Thermal and moisture resistance
HumiSeal® 1B31 Applications:
- Commercial PCB protection
- Manual rework or touch-up processes
- Low-humidity assembly environments
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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Typical Properties
| Solids Content | 12 ± 1 % |
| VOC | 537 grams/litre |
| Drying Time to Handle | 10 minutes |
| Recommended Coating Thickness | 25 - 75 microns |
| Curing Conditions | 24 hrs @ RT or 30 min @ 76°C |
| Time to Reach Optimum Properties | 7 days |
| Shelf Life | 24 months |
| Thermal Shock | -65°C to 125°C |
| CTE Below Tg | 170 ppm/°C |
| CTE Above Tg | 340 ppm/°C |
| Glass Transition Temperature | 14°C |
| Modulus | 2000 MPa @ -40°C, 1050 MPa @ 20°C, 8.5 MPa @ 60°C |
| Dielectric Withstand Voltage | >1500 volts |
| Dielectric Breakdown Voltage | 7500 volts |
| Dielectric Constant | 2.5 |
| Dissipation Factor | 0.01 |
| Insulation Resistance | 8.0 x 10¹⁴ ohms (800TΩ) |
| Moisture Resistance | 6.0 x 10¹⁰ ohms (60GΩ) |
| Fungus Resistance | Passes |
