HumiSeal® 1A34 is a single component, fast curing polyurethane conformal coating. HumiSeal®1A34 offers easy application and handling and fluoresces under UV light for ease of inspection. HumiSeal® 1A34 coating is MIL-I-46058C qualified, IPC-CC-830 and RoHS Directive 2002/95/EC compliant.
Product Specification
Density, per ASTM D1475
0.95 ± 0.02 g/cm3
Solids Content, % by weight per Fed-Std-141, Meth. 4044
39 ± 2 %
Viscosity, per Fed-Std-141, Meth. 4287
125 ± 75 centipoise
VOC
576 grams/litre
Recommended Coating Thickness
25 -75 microns
Drying Time to Handle per Fed-Std-141, Meth. 4061
120 ± 30 minutes
Recommended Curing Conditions
24 hrs @ RT or 4 hrs @ 76°C
Time Required to Reach Optimum Properties
7 days
Thinner, if needed (dipping, brushing, spraying)
HumiSeal® Thinner 521, 521EU
Recommended Stripper
HumiSeal® Stripper 1072
Shelf Life at Room Temperature, DOM
6 months
Thermal Shock, per MIL-I-46058C
-65°C to 125°C
Coefficient of Thermal Expansion – TMA
260 ppm/°C
Glass Transition Temperature – DSC
18°C
Modulus – DMA
51.3 MPa
Flammability, per MIL-I-46058C
Self-Extinguishing
Dielectric Withstand Voltage, per MIL-I-46058C
>1500 volts
Dielectric Constant, at 1MHz and 25°C per ASTM D150-98
3.5
Dissipation Factor, at 1MHz and 25°C per ASTM D150-98
