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Humiseal 1B31 EPA 604 PB35 20L Acrylic Conformal Coating
Part number: 61343£664.63 ex.VAT (£797.56 inc.VAT)
HumiSeal 1B31EPA is a fast drying, single component, acrylic conformal coating that provides excellent moisture and environmental protection for printed circuit assemblies.
Available to order. Your estimated delivery is: 04/02/2022
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1B31EPA is also produced as pre blended products, at a range of viscosities, suitable for a variety of applications The cured film demonstrates exceptional flexibility, fluoresces under UV light for ease of inspection and is easily repaired. HumiSeal 1B31EPA coating is MIL-I-46058C qualified, IPC-CC-830, RoHS Directive 2011/65/EU and EPA 33/50 compliant.
- 20 Litre Box (4x5L)
After complete cure, the properties of HumiSeal 1B31EPA Pre-Blends and HumiSeal 1B31EPA are comparable as all solvents evaporate during the drying process.
| Product | Viscosity (cPs) | Solids (%) | Density (g/cm3) | VOC (g/L) | Shelf Life (months) |
| 1B31EPA | 325 ± 60 | 28 ± 3 | 0.95 ± 0.03 | 684 | 24 |
| 1B31EPA/600 65CPS | 65 ± 5 | 19 ± 1 | 0.94 ± 0.01 | 761 | 12 |
| 1B31EPA/604 PB35 CPS | 35 ± 5 | 15 ± 1 | 0.925 ± 0.01 | 786 | 12 |
| Density, per ASTM D1475 | 0.95 ± 0.03 g/cm³ |
| Solids Content, % by weight per Fed-Std-141, Meth. 4044 | 28 ± 3 % |
| Viscosity, per Fed-Std-141, Meth. 4287 | 325 ± 60 centipoise |
| VOC | 684 grams/litre |
| Drying Time to Handle per Fed-Std-141, Meth. 4061 | 30 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 604 |
| Recommended Thinner (spraying) | HumiSeal® Thinner 600 |
| Recommended Stripper | HumiSeal® Stripper 1080 |
| Shelf Life at Room Temperature, DOM | 24 months |
| Thermal Shock, 50 cycles per MIL-I-46058C | -65°C to 125°C |
| Coefficient of Thermal Expansion - TMA | 170 ppm/°C below Tg 340 ppm/°C above Tg |
| Glass Transition Temperature - DSC | 14°C |
| Modulus - DMA | 2000 MPa@ -40°C 1050 MPa@ 20°C 8.5 MPa@ 60°C |
| Flammability, per MIL-I-46058C | Self-Extinguishing |
| Dielectric Withstand Voltage, per MIL-I-46058C | >1500 volts |
| Dielectric Breakdown Voltage, per ASTM D149 | 6300 volts |
| Dielectric Constant, at 1MHz and 25°C, per ASTM D150-98 | 2.6 |
| Dissipation Factor, at 1MHz and 25°C, per ASTM D150-98 | 0.01 |
| Insulation Resistance, per MIL-I-46058C | 5.5 x 1014 ohms (550TΩ) |
| Moisture Insulation Resistance, per MIL-I-46058C | 7.0 x 1010 ohms (70GΩ) |
| Fungus Resistance, per ASTM G21 | Passes |
| Product | Viscosity (cPs) | Solids (%) | Density (g/cm3) | VOC (g/L) | Shelf Life |
| 1B31EPA | 325 ± 60 | 28 ± 3 | 0.95 ± 0.03 | 684 | 24 months |
| 1B31EPA/600 65CPS | 65 ± 5 | 19 ± 1 | 0.94 ± 0.01 | 761 | 12 months |
| 1B31EPA/604 PB35 CPS | 35 ± 5 | 15 ± 1 | 0.925 ± 0.01 | 786 | 12 months |
1B31EPA-Preblends.pdf
Size: 280.28 kB
Type: pdf
Humiseal-1B31-EPA-604-PB35-SDS.pdf
Size: 194.61 kB
Type: pdf
| Weight | 20 kg |
|---|---|
| MPN | 61343 |
Delivery info
Shipment method | Shipment cost |
Click and Collect | FREE |
Next day (orders above £75.00 ex.vat) | FREE |
Next day (orders below £75.00 ex.vat) | £6.99 |
Next day pre 12AM | £17.99 |
Next day pre 10AM | £20.99 |
Saturday AM | £45.00 |
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