HumiSeal®1R32 Acrylic Conformal Coating
Technical
Data Sheet
HumiSeal®1R32 is a fast drying, single component acrylic conformal coating that provides
excellent moisture and environmental protection for printed circuit assemblies.
HumiSeal®1R32 fluoresces under UV light for ease of inspection and is easily
repaired. HumiSeal®1R32 is in full compliance with the RoHS Directive
2002/95/EC.
Properties
of HumiSeal®1R32
Density,
per ASTM D1475 0.91
± 0.02 g/cm³
Solids
Content, % by weight per Fed-Std-141, Meth. 4044 35 ± 2 %
Viscosity,
per Fed-Std-141, Meth. 4287 220 ± 30
centipoise
VOC
600
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 505
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 below Tg
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
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 (800TΩ)
Moisture Insulation
Resistance, per MIL-I-46058C 6.0
x 1010 ohms (60GΩ)
Fungus Resistance, per ASTM
G21 Passes
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