HumiSeal - Transparent Coating, Conformal, Liter Can | 1B15



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HumiSeal - Transparent Coating, Conformal, Liter Can | 1B15

HumiSeal® 1B15 is a single component, fast drying, easily repaired, acrylic conformal coating intended for printed circuit assemblies. HumiSeal® 1B15 coating is RoHS Directive 2002/95/EC compliant. The substrate's cleanliness is of extreme importance for the successful application of a conformal coating. Surfaces must be free of moisture, dirt, wax, grease, flux residues, and other contaminants. Contamination under the coating could cause problems that may lead to assembly failures.

Properties of Liquid HumiSeal

  • Density, (g/cm3) per ASTM, Meth. D1475: 0.90 ± 0.02
  • Solids Content, % by weight per Fed-Std-141, Meth.4044: 35 ± 2
  • Viscosity, centipoise per Fed-Std--141, Meth. 4287: 470 ± 20
  • Flashpoint, 0C per ASTM, Meth. D56: -1 (30)
  • VOC (grams / liter): 592
  • Drying Time to Handle per Fed-Std-141, Meth.4061: 10 minutes
  • Recommended Curing Conditions: 24 hrs @ rm. temp or 30 min.@ 76°C (1700F)
  • Time Required to Reach Optimum Properties: 7 days.
  • Pot Life at Room Temperature: 12 months
  • Shelf Life at Room Temperature: 12 months

Properties of Cured HumiSeal Thermal Properties

  • Continuous Use Operating Range°C): -65°C to +125°C
  • Thermal Shock, per MIL-I-46058C: Passes
  • Solderability: Good C
  • coefficient of Thermal Expansion - DMA: 77ppm /°C
  • Glass Transition Temperature - TMA: 15°C
  • Young‘s Modulus - DMA: 10074psi

Physical Properties

  • Clarity: Transparent
  • Build per Dip, mils, per ASTM, Meth.D823: 2
  • Flexibility, per MIL-I-46058C: Fair
  • Adhesion, per ASTM, Meth. D2197: Excellent
  • Flammability, per ASTM, Meth. D635: Self-Extinguishing
  • Weather Resistance: Very Good

Electrical Properties

  • Dielectric Withstand Voltage, volts per MIL-I-46058C: >1,500
  • Dielectric Breakdown Voltage, volts, per ASTM, Meth. D149: 8000
  • Dielectric Constant, at 1MHz and 250C, per ASTM-D150-65T: 2.03
  • Dissipation Factor, at 1MHz and 250C, per ASTM-D150-65T: 0.01
  • Insulation Resistance, ohms, per MIL-I-46058C: 350 x 1012
  • Moisture Resistance, ohms, per MIL-I-46058C: 40 x 109
  • Chemical PropertiesMain Constituent: Acrylic
  • Fungus Resistance, per ASTM-G21: Passes
  • Resistance to Chemicals: Fair