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HumiSeal 1A34 Urethane Conformal Coating

  • Product code: 1A34
  • Manufacturer: Humiseal
  • Package size: 1 L
  • Shelf Life: DOM at room temperature, 6 months
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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  0.028
Insulation Resistance, per MIL-I-46058C 1.7 x 1014 ohms (170TΩ)
Moisture Insulation Resistance, per MIL-I-46058C  6.3 x 1010 ohms (63GΩ)
Fungus Resistance, per ASTM G21 Passes

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