-Item Name: HumiSeal® 1B31/521 PB65
-Manufacturer: HumiSeal
-Technologies: Acrylic Conformal Coating
-Color: Not specified
-Cure Type: 24 hrs at room temperature or 30 min at 76°C
-Package Size: Contact to Techniq VN for details.
-Shelf Life: 24 month
HumiSeal® 1B31/521 PB65 is a fast-drying, single-component acrylic conformal coating designed for automated spray application without additional thinning. It offers excellent flexibility, UV fluorescence for inspection, and easy repairability. The coating is compliant with RoHS Directive 2002/95/EC.
| Property | Value |
|---|---|
| Density | 0.90 ± 0.02 g/cm³ |
| Solids Content | 25 ± 2 % |
| Viscosity | 65 ± 5 centipoise |
| VOC | 667 grams/liter |
| Drying Time (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 |
| Glass Transition Temperature (Tg) | 14°C |
| Thermal Shock | -65°C to 125°C (50 cycles) |
| Coefficient of Thermal Expansion | 170 ppm/°C (below Tg), 340 ppm/°C (above Tg) |
| Modulus (DMA) | 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 (1MHz, 25°C) | 2.5 |
| Dissipation Factor (1MHz, 25°C) | 0.01 |
| Insulation Resistance | 8.0 x 10¹⁴ ohms (800TΩ) |
| Moisture Insulation Resistance | 6.0 x 10¹⁰ ohms (60GΩ) |
| Fungus Resistance | Passes (ASTM G21) |
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