HumiSeal - 1B31S Acrylic Conformal Coating

ID PCHMB31S
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HumiSeal® 1B31S is a fast drying, single component, acrylic conformal coating that provides improved adhesion, excellent moisture and environmental protection for printed circuit assemblies. HumiSeal® 1B31S demonstrates outstanding flexibility, fluoresces under UV light for ease of inspection and is
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Description

HumiSeal® 1B31S is a fast drying, single component, acrylic conformal coating that provides improved adhesion, excellent moisture and environmental protection for printed circuit assemblies. HumiSeal® 1B31S demonstrates outstanding flexibility, fluoresces under UV light for ease of inspection and is easily repaired. HumiSeal® 1B31S coating is MIL-I-46058C qualified, IPC-CC-830 and RoHS Directive 2002/95/EC compliant.

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
Recommended Stripper HumiSeal® Stripper 1080
Shelf Life at Room Temperature, DOM 24 months
Thermal Shock, 50 cycles per MIL-I-46058C -65°C to 125°C
Coefficient of Thermal Expansion - TMA 170 ppm/°C belowTg
340 ppm/°C above Tg
Glass Transition Temperature - DSC 14°C
Modulus - DMA 2000 MPa @ -40°C
1050 MPa @ 20°C
8.5 MPa @ 60°C
Flammability, per MIL-I-46058C Self-Extinguishing
Dielectric Withstand Voltage, per MIL-I-46058C >1500 volts
Dielectric Breakdown Voltage, per ASTM D149 7500 volts
Dielectric Constant, at 1MHz and 25°C per ASTM D150-98 2.5
Dissipation Factor, at 1MHz and 25°C per ASTM D150-98 0.01
Insulation Resistance, per MIL-I-46058C 8.0 x 1014 ohms (800TO)
Moisture Insulation Resistance, per MIL-I-46058C 6.0 x 1010 ohms (60GO)
Fungus Resistance, per ASTM G21 Passes


Material Safety Data Sheet (MSDS): Click Here
Technical Data Sheet (TDS): Click Here

*Actual product colours may vary from on-screen and printed representations.
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