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Humiseal 1A33/521 PB48.3 Urethane Conformal Coating 20 Litre Box (4x5L)
Part number: 55169£873.03 ex.VAT (£1,047.64 inc.VAT)
HumiSeal 1A33 Pre-blend Products are specifically diluted to a viscosity for immediate use. No additional dilution is required.
Available to order. Your estimated delivery is: 05/10/2023
Free shipping on orders over £75
Same day dispatch if you place your order before 3.30pm
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Please note packaging may vary
Click here to see full delivery details for UK Mainland, Highlands and Islands, and Europe. 
- 20 Litre Box (4x5L)
HumiSeal 1A33 is a single component, polyurethane conformal coating, suitable for general printed circuit board applications. HumiSeal 1A33 is also produced as pre-blended products, at a range of viscosities, suitable for a variety of applications. HumiSeal 1A33, and its Pre-blend Products, contain no free isocyanates and fluoresce under UV light for inspection purposes. HumiSeal 1A33 coating is MIL-I-46058C qualified, IPC-CC-830 and RoHS Directive 2011/65/EU compliant and recognized under UL File Number E105698.
| Product | Viscosity (cPs) | Solids (%) | Density (g/cm3) | VOC (g/L) | Shelf Life (months) |
| 1A33/600/AP2 | 22.5 ± 5 | 30 ± 3 | 0.945 ± 0.025 | 661.5 | 12 |
| 1A33 PB 23 CPS | 23 ± 5 | 34 ± 1 | 0.92 ± 0.02 | 607.2 | 12 |
| 1A33 PB 48.3 CPS | 48.3 ± 5 | 38 ± 1 | 0.93 ± 0.02 | 576.6 | 12 |
| 1A33 PB 55 CPS | 55 ± 5 | 39 ± 1.5 | 0.93 ± 0.03 | 567.3 | 12 |
| 1A33 PB 64 CPS | 64 ± 5 | 39 ± 2 | 0.94 ± 0.02 | 573.4 | 24 |
| 1A33 PB 80 CPS | 80 ± 5 | 40 ± 2 | 0.94 ± 0.02 | 564.0 | 24 |
| 1A33 PB 100 CPS | 100 ± 5 | 41 ± 2 | 0.94 ± 0.02 | 554.6 | 24 |
| Recommended Coating Thickness | 0.91 ± 0.02 g/cm3 |
| Drying Time to Handle per Fed-Std-141, Meth. 4061 | 35 ± 3 % |
| Optional Curing Conditions to Reach Optimum Properties | 200 ± 15 centipoise |
| Recommended Stripper | 592 grams/litre |
| Thermal Shock, 50 cycles per MIL-I-46058C | 10 minutes |
| Coefficient of Thermal Expansion - TMA | 25 - 75 microns |
| Glass Transition Temperature - DSC | 24 hrs @ RT or 30 min @ 76°C |
| Modulus - DMA | 7 days |
| Flammability, per UL 94 | HumiSeal® Thinner 503 |
| Dielectric Withstand Voltage, per MIL-I-46058C | HumiSeal® Thinner 521 |
| Dielectric Breakdown Voltage, per ASTM D149 | HumiSeal® Stripper 1080 |
| Dielectric Constant, at 1MHz and 25°C per ASTM D150-98 | 24 months |
| Dissipation Factor, at 1MHz and 25°C per ASTM D150-98 | -65°C to 125°C |
| Insulation Resistance, per MIL-I-46058C | 175 ppm/°C below Tg | 345 ppm/°C above Tg |
| Moisture Insulation Resistance, per MIL-I-46058C | 14°C |
| CTI, PLC per UL746E @ 600 volts | 850 MPa @ 40°C |
| Fungus Resistance, per ASTM G21 | >1500 volts |
| Product | Viscosity (cPs) | Solids (%) | Density (g/cm3) | VOC (g/L) | Shelf Life (months) |
| 1A33/600/AP2 | 22.5 ± 5 | 30 ± 3 | 0.945 ± 0.025 | 661.5 | 12 |
| 1A33 PB 23 CPS | 23 ± 5 | 34 ± 1 | 0.92 ± 0.02 | 607.2 | 12 |
| 1A33 PB 48.3 CPS | 48.3 ± 5 | 38 ± 1 | 0.93 ± 0.02 | 576.6 | 12 |
| 1A33 PB 55 CPS | 55 ± 5 | 39 ± 1.5 | 0.93 ± 0.03 | 567.3 | 12 |
| 1A33 PB 64 CPS | 64 ± 5 | 39 ± 2 | 0.94 ± 0.02 | 573.4 | 24 |
| 1A33 PB 80 CPS | 80 ± 5 | 40 ± 2 | 0.94 ± 0.02 | 564.0 | 24 |
| 1A33 PB 100 CPS | 100 ± 5 | 41 ± 2 | 0.94 ± 0.02 | 554.6 | 24 |
1A33-Preblends.pdf
Size: 0.00
Type: pdf
1A33-PB-48.3-SDS.pdf
Size: 0.00
Type: pdf
| Weight | 20 kg |
|---|---|
| MPN | 55169 |
| package size |
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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