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Humiseal Urethane 1A20

  • Product code: 1A20
  • Manufacturer: Humiseal
  • Package size: 1 L
  • Shelf Life: DOM at room temperature, 6 months
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HumiSeal® 1A20 is a single component, chemically resistant, fast curing polyurethane conformal coating. HumiSeal® 1A20 fluoresces under UV light for ease of inspection. HumiSeal® 1A20 coating is MIL-I-46058C qualified, IPC-CC830 and RoHS Directive 2002/95/EC compliant and recognized under UL File Number E105698.

Typical Properties

Product Specification
Density, per ASTM D1475 1.02 ± 0.02 g/cm3
Solids Content, % by weight per Fed-Std-141, Meth. 4044 50 ± 3 %
Viscosity, per Fed-Std-141, Meth. 4287 100 ± 30 centipoise
VOC 511grams/litre
Recommended Coating Thickness 25 -75 microns
Drying Time to Handle per Fed-Std-141, Meth. 4061 60 minutes
Recommended Curing Conditions 24 hrs @ RT or 3 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 515 ppm/°C
Glass Transition Temperature – DSC  71°C
Modulus – DMA  89.6 MPa
Flammability, per UL94  V-0
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 3.0 x 1014 ohms (300TΩ)
Moisture Insulation Resistance, per MIL-I-46058C  4.8 x 1010 ohms (48GΩ)
Fungus Resistance, per ASTM G21 Passes
Resistance to Chemicals  Excellent

Resources

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