Product Introduction
HumiSeal® 1B12 is a fast-drying acrylic-based conformal coating that offers excellent protection against moisture and environmental exposure. This single-component solution is perfect for ensuring the longevity and reliability of printed circuit boards.
HumiSeal® 1B12 Features
- Acrylic-based chemistry for durability
- Fast drying to reduce production time
- Single-component for easy application
- Superior moisture protection
- RoHS compliant
HumiSeal® 1B12 Applications
- Protection of PCB assemblies in harsh environments
- Suitable for various electronics exposed to moisture and environmental hazards
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
Properties of HumiSeal® 1B12
| Density, per ASTM D1475 | 0.89 ± 0.02 g/cm3 |
| Solids Content, % by weight per Fed-Std-141, Meth. 4044 | 21.5 ± 1.5 % |
| Viscosity, per Fed-Std-141, Meth. 4287 | 30 ± 5 centipoise |
| VOC | 714 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 503 |
| Recommended Thinner (spraying) | HumiSeal Thinner 521 |
| Recommended Stripper | HumiSeal Stripper 1080 |
| Shelf Life at Room Temperature, DOM | 18 months |
| Thermal Shock, 50 cycles per MIL-I-46058C | -65°C to 125°C |
| Coefficient of Thermal Expansion – TMA | 56 ppm/°C |
| Glass Transition Temperature – DSC | 32°C |
| Modulus – DMA | 67.4 MPa |
| Dielectric Withstand Voltage, volts per MIL-I-46058C | >1500 |
| Dielectric Constant, at 1MHz and 25°C per ASTM D150-98 | 2.8 |
| Dissipation Factor, at 1MHz and 25°C per ASTM D150-98 | 0.01 |
| Insulation Resistance, per MIL-I-46058C | 2.5 x 1014 ohms (250TΩ) |
| Moisture Insulation Resistance, per MIL-I-46058C | 3.0 x 1010 ohms (30GΩ) |
| Fungus Resistance, per ASTM G21 | Passes |
