Product Introduction
HumiSeal® 1A67 is a toluene-free polyester urethane coating designed to protect printed circuit assemblies (PCAs). It offers low gas permeability, environmental protection, and long-term electrical reliability, meeting RoHS compliance standards for safe and durable electronic protection.
HumiSeal® 1A67 Features
- Low gas permeability for enhanced moisture and chemical resistance
- Excellent flexibility and electrical stability
- Toluene-free for a safer application process
- Compliant with RoHS Directive 2002/95/EC
HumiSeal® 1A67 Applications
- PCB protection in electronics and industrial applications
- Electrical insulation and moisture protection
- Suitable for selective coating processes in manufacturing
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 (per ASTM D1475, g/cm³) | 0.92 |
| Solids Content (% by weight, per Fed-Std-141, Meth. 4044) | 30% |
| Viscosity (CPS, per Fed-Std-141, Meth. 4287) | 750 ± 350 |
| VOC (grams/litre) | 644 |
| Drying Time to Handle (per Fed-Std-141, Meth. 4061) | 25 minutes |
| Recommended Coating Thickness (microns) | 25 - 75 |
| Recommended Curing Conditions | 20 hrs @ 80°C |
| Time Required to Reach Optimum Properties | 7 days |
| Recommended Thinner | HumiSeal® Thinner 600 |
| Recommended Stripper | HumiSeal® Stripper 1063 |
| Glass Transition Temperature (Tg - DSC) | 55°C |
| Shelf Life at Room Temperature (DOM) | 12 months |
| Dielectric Withstand Voltage (per MIL-I-46058C) | >1500 volts |
| Insulation Resistance (per MIL-I-46058C) | 6.93 × 10¹² ohms (6.93 TΩ) |
| Moisture Insulation Resistance (per MIL-I-46058C) | 6.9 × 10¹⁰ ohms (69 GΩ) |
