Humiseal 2A64 Urethane Conformal Coating

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Humiseal 2A64 Urethane Conformal Coating
Categories:	Polymer; Adhesive; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Adhesive
Material Notes:	Humiseal 2A64 Urethane Conformal Coating High moisture resistance Excellent dielectrical properties Excellent chemical resistance Repairable MIL-I-46058C Approved Passes thermal shock test (MIL-I-46058C) Flammability (self extinguishing) (ASTM D635) Excellent resistance to solvents (IPC CC 830) Recommended Stripper: 1071 Recommended Thinner: 24 Cure Type: Heat
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Physical Properties	Metric	English	Comments

Density	1.07 g/cc	0.0385 lb/in³	ASTM D1475
Solids Content	55 %	55 %	Fed Std 141 Method 4044
Volatile Organic Compounds (VOC) Content	501 g/l	501 g/l
Viscosity	150 cP	150 cP	Fed Std Method 4287

Mechanical Properties	Metric	English	Comments
Modulus of Elasticity	0.074980 GPa	10.875 ksi

Electrical Properties	Metric	English	Comments
Surface Resistance	4.80e+10 ohm	4.80e+10 ohm	Moisture Resistance; MIL-I-46058C
Insulation Resistance	4.50e+14 ohm	4.50e+14 ohm	Insulation Resistance; MIL-I-46058C
Dielectric Constant	3.5	3.5	ASTM D1 50 65T
Dielectric Breakdown	>= 1500 V	>= 1500 V	Dielectric Withstand; MIL-I-46058C
Dissipation Factor	0.024	0.024	ASTM D1 50 65T

Thermal Properties	Metric	English	Comments
CTE, linear	140 µm/m-°C @Temperature 20.0 °C	77.8 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	40.0 °C	104 °F
Flash Point	26.7 °C	80.0 °F	ASTM D56

Processing Properties	Metric	English	Comments
Cure Time	180 min	3.00 hour	Dry Time to Handling; Fed Std 141 4061
	180 min @Temperature 76.7 °C	3.00 hour @Temperature 170 °F
Shelf Life	6.00 Month @Temperature 23.0 °C	6.00 Month @Temperature 73.4 °F

Descriptive Properties
Coverage	470 ft²/gal

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PHUMIS11 / 47611

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