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Humiseal 1A27 Urethane Conformal Coating

Category Polymer , Adhesive , Thermoset , Polyurethane, TS , Thermoset Polyurethane, Adhesive
Manufacturer Humiseal
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Humiseal 1A27 Urethane Conformal Coating.pdf
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Material Notes:
Humiseal 1A27 Urethane Conformal CoatingHigh moisture resistanceExcellent dielectrical propertiesExcellent chemical resistanceRepairableUL ApprovedPasses thermal shock test (MIL-I-46058C)Flammability (self extinguishing) (ASTM D635)Excellent resistance to solvents (IPC CC 830)Recommended Stripper: 1063Recommended Thinner: 521 Cure Type: Heat
Physical Properties Metric English Comments
Density 0.959 g/cc
0.0346 lb/in³
ASTM D1475
Solids Content 50 %
50 %
Fed Std 141 Method 4044
Volatile Organic Compounds (VOC) Content 480 g/l
480 g/l
Viscosity 5000 cP
5000 cP
Fed Std Method 4287
Mechanical Properties Metric English Comments
Modulus of Elasticity 0.02416 GPa
3.504 ksi
Thermal Properties Metric English Comments
CTE, linear 170 µm/m-°C

@Temperature 20.0 °C
94.4 µin/in-°F

@Temperature 68.0 °F
Maximum Service Temperature, Air 125 °C
257 °F
Minimum Service Temperature, Air -65.0 °C
-85.0 °F
Glass Transition Temp, Tg 56.0 °C
133 °F
Flash Point 26.7 °C
80.0 °F
ASTM D56
Electrical Properties Metric English Comments
Surface Resistance 1.20e+10 ohm
1.20e+10 ohm
Moisture Resistance; MIL-I-46058C
Insulation Resistance 2.00e+14 ohm
2.00e+14 ohm
Insulation Resistance; MIL-I-46058C
Dielectric Constant 3.6
3.6
ASTM D1 50 65T
Dielectric Breakdown >= 1500 V
>= 1500 V
Dielectric Withstand; MIL-I-46058C
Dissipation Factor 0.020
0.020
ASTM D1 50 65T
Processing Properties Metric English Comments
Cure Time 15.0 min
0.250 hour
Dry Time to Handling; Fed Std 141 4061
10800 - 43200 min
180 - 720 hour
1200 min

@Temperature 190 °C
20.0 hour

@Temperature 374 °F
1800 min

@Temperature 170 °C
30.0 hour

@Temperature 338 °F
Shelf Life 12.0 Month

@Temperature 23.0 °C
12.0 Month

@Temperature 73.4 °F
Descriptive Properties Value Comments
Coverage 450 ft²/gal
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