-Item Name: HumiSeal® 1R32
-Manufacturer: HumiSeal
-Technologies: Single-component acrylic conformal coating
-Color: Fluoresces under UV light
-Cure Type: 24 hrs at room temperature or 30 min at 76°C
-Package Size: Contact Techniq VN for details.
-Shelf Life: 24 months
HumiSeal® 1R32 is a fast-drying, single-component acrylic conformal coating designed to provide excellent moisture and environmental protection for printed circuit assemblies. It fluoresces under UV light for easy inspection and is RoHS-compliant.
| Property | Value |
|---|---|
| Density (ASTM D1475) | 0.91 ± 0.02 g/cm³ |
| Solids Content (Fed-Std-141, 4044) | 35 ± 2 % |
| Viscosity (Fed-Std-141, 4287) | 220 ± 30 cP |
| VOC Content | 600 g/L |
| Drying Time to Handle (4061) | 10 minutes |
| Recommended Coating Thickness | 25 – 75 µm |
| Recommended Curing | 24 hrs @ RT or 30 min @ 76°C |
| Time for Optimum Properties | 7 days |
| Thermal Shock (MIL-I-46058C) | -65°C to 125°C |
| Glass Transition Temperature (DSC) | 14°C |
| Property | Value |
|---|---|
| Coefficient of Thermal Expansion (TMA) | 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 (MIL-I-46058C) | >1500 V |
| Dielectric Breakdown Voltage (ASTM D149) | 7500 V |
| Dielectric Constant (ASTM D150-98, 1MHz, 25°C) | 2.5 |
| Dissipation Factor (ASTM D150-98, 1MHz, 25°C) | 0.01 |
| Insulation Resistance (MIL-I-46058C) | 8.0 × 10¹⁴ Ω (800 TΩ) |
| Moisture Insulation Resistance (MIL-I-46058C) | 6.0 × 10¹⁰ Ω (60 GΩ) |
| Fungus Resistance (ASTM G21) | Passes |
| Application | Recommended Thinner |
|---|---|
| Dipping & Brushing | HumiSeal® Thinner 505 |
| Spraying | HumiSeal® Thinner 521 |
| Stripping | HumiSeal® Stripper 1080 |
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