Product Introduction
HumiSeal® 1B51NSLU is a fast-drying, single-component synthetic rubber conformal coating designed for environmental protection. This environmentally friendly coating has extremely low moisture vapor permeability, offering reliable protection for sensitive electronics.
HumiSeal® 1B51NSLU Features:
- Excellent flexibility and low stress on components
- UV fluorescence for easy inspection
- Easy to repair
- Complies with RoHS Directive 2002/95/EC
HumiSeal® 1B51NSLU Applications:
- Protection from moisture and environmental damage
- Used in printed circuit assemblies
- Perfect for industries needing high-performance coatings
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 | 0.81 ± 0.02 g/cm³ |
| Solids Content | 22 ± 2 % by weight |
| Viscosity | 185 ± 30 centipoise |
| VOC | 632 grams/litre |
| Drying Time to Handle | 10 minutes |
| Recommended Coating Thickness | 25 - 75 microns |
| Recommended Curing Conditions | 24 hrs @ RT or 30 min @ 76°C |
| Time to Reach Optimum Properties | 7 days |
| Recommended Thinner | HumiSeal® Thinner 903, 905, 521EU |
| Recommended Stripper | HumiSeal® Stripper 1080, 1080EU |
| Shelf Life at Room Temperature | 18 months |
| Thermal Shock | -65°C to 125°C, 50 cycles per MIL-I-46058C |
| Coefficient of Thermal Expansion | 55 ppm/°C |
| Glass Transition Temperature | 14°C |
| Modulus | 93.1 MPa @ -20°C, 73.5 MPa @ 0°C, 35.3 MPa @ 20°C |
| Moisture Vapour Transmission | < 1 g/m²•day•mil |
| Dielectric Withstand Voltage | >1500 volts |
| Dielectric Breakdown Voltage | 4900 volts |
| Dielectric Constant | 2.5 |
| Dissipation Factor | 0.07 |
| Insulation Resistance | 2.0 x 10¹⁴ ohms (200TΩ) |
| Moisture Insulation Resistance | 1.0 x 10¹⁰ ohms (10GΩ) |
| Fungus Resistance | Passes ASTM G21 |
