HumiSeal 1A68 Conformal Coating Polyurethane 1lt
HumiSeal 1A68 is a single component, polyurethane conformal coating, suitable for general printed circuit board applications.
HumiSeal 1A68 is a single component, polyurethane conformal coating, suitable for general printed circuit board applications. HumiSeal 1A68 contains no free isocyanates and fluoresces under UV light for inspection purposes. HumiSeal 1A68 coating is IPC-CC-830 and RoHS Directive 2002/95/EC compliant and recognized under UL File Number E105698.
| Density, per ASTM D1475 |
0.95 ± 0.02 g/cm³ |
| Solids Content, % by weight per Fed-Std-141, Meth. 4044 |
|
| Viscosity, per Fed-Std-141, Meth. 4287 |
180 ± 20 centipoise |
| VOC |
521 grams/litre |
| Recommended Coating Thickness |
25 - 75 microns |
| Drying Time to Handle per Fed-Std-141, Meth. 4061 |
15 minutes |
| Optional Curing Conditions to Reach Optimum Properties |
30 days at RT
30 hours @ 76°C
20 hours @ 88°C |
| Recommended Thinner (dipping, brushing) |
HumiSeal® Thinner 503 |
| Recommended Thinner (spraying) |
HumiSeal® Thinner 521 |
| Recommended Stripper |
HumiSeal® Stripper 1063 |
| 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 |
193 ppm/°C |
| Glass Transition Temperature - DSC |
26°C |
| Modulus - DMA |
27.2 MPa |
| Flammability, per UL 94 |
V-0 |
| Dielectric Withstand Voltage, per MIL-I-46058C |
>1500 volts |
| Dielectric Breakdown Voltage, per ASTM D149 |
7500 volts |
| Dielectric Constant, at 1MHz and 25°C per ASTM D150-98 |
3.6 |
| Dissipation Factor, at 1MHz and 25°C per ASTM D150-98 |
0.03 |
| Insulation Resistance, per MIL-I-46058C |
2.0 x 1014 ohms (200TΩ) |
| Moisture Insulation Resistance, per MIL-I-46058C |
1.6 x 1010 ohms (16GΩ) |
| CTI, per UL746E @ 600 volts |
0 PLC |
| Fungus Resistance, per ASTM G21 |
Passes |
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