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HUMISEAL 1B31 Acrylic Conformal Coating Clear

  • Product code: 1B31
  • Manufacturer: Humiseal
  • Package size: 5L
  • Shelf Life: 24 months

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HumiSeal® 1B31 is a fast-drying, single-component, acrylic conformal coating that provides excellent moisture and environmental protection for printed circuit assemblies. HumiSeal® 1B31 demonstrates excellent flexibility, fluoresces under UV light for easy inspection, and is easily repaired. HumiSeal® 1B31 coating is MIL-I-46058C qualified, IPC-CC-830, and RoHS Directive 2002/95/EC compliant.

HumiSeal® 1B31 Acrylic Conformal Coating is a one-component, fast-curing acrylic coating used for circuit assemblies and can be easily repaired. It offers excellent flexibility, moisture, environmental protection, and fluoresces under UV light to aid inspection. It can be applied by spraying, brushing, or dipping methods. 5 L Can.

Typical Properties

Density, per ASTM D1475 0.91 ± 0.02 g/cm³
Solids Content, % by weight per Fed-Std-141, Meth. 4044 35 ± 3 %
Viscosity, per Fed-Std-141, Meth. 4287 200 ± 15 centipoise
VOC 592 grams/litre
Drying Time to Handle, per Fed-Std-141, Meth. 4061 10 minutes
Recommended Coating Thickness 25 – 75 microns
Recommended Curing Conditions 24 hrs @ RT or 30 min @ 76°C
Time Required to Reach Optimum Properties 7 days
Recommended Thinner (dipping & brushing) HumiSeal® Thinner 503
Recommended Thinner (spraying) HumiSeal® Thinner 521, 521EU

See details in TDS

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