Chase Electronic Coatings HumiSeal® UV40 UV UV Curable Urethane Conformal Coating

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Chase Electronic Coatings HumiSeal® UV40 UV UV Curable Urethane Conformal Coating
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	HumiSeal® UV40 is a single component, high solids, UV curable, acrylated polyurethane conformal coating that possesses excellent chemical resistance, surface hardness, flexibility and moisture resistance. The material is tack free after exposure to UV light. A secondary moisture cure mechanism will cure unexposed areas of the coating within 2-3 days at ambient conditions. The coating fluoresces under UV light to allow for coating inspection and can be applied by selective coating equipment. HumiSeal® UV40 coating is recognized under UL File Number E105698, and is MIL-I-46058C qualified, and IPC-CC-830 and RoHS Directive 2011/65/EC compliant. Information provided by Chase Electronic Coatings.
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Physical Properties	Metric	English	Comments

Density	1.10 g/cc	0.0397 lb/in³
Solids Content	>= 95 %	>= 95 %
Viscosity	500 - 800 cP	500 - 800 cP	Fed-Std-141, Meth. 4287
Thickness	25.0 - 125 microns	0.984 - 4.92 mil	Recommended coating

Mechanical Properties	Metric	English	Comments
Modulus of Elasticity	0.0660 GPa @Temperature 80.0 °C	9.57 ksi @Temperature 176 °F	DMA
	4.28 GPa @Temperature 25.0 °C	621 ksi @Temperature 77.0 °F	DMA
	10.36 GPa @Temperature -40.0 °C	1503 ksi @Temperature -40.0 °F	DMA

Electrical Properties	Metric	English	Comments
Insulation Resistance	4.70e+10 ohm	4.70e+10 ohm	Moisture; MIL-I-46058C
	8.00e+14 ohm	8.00e+14 ohm	MIL-I-46058C
Dielectric Constant	2.5 @Frequency 1e+6 Hz, Temperature 25.0 °C	2.5 @Frequency 1e+6 Hz, Temperature 77.0 °F	ASTM D150-98
	3.21 @Frequency 1e+10 Hz, Temperature 22.0 °C	3.21 @Frequency 1e+10 Hz, Temperature 71.6 °F	ASTM D2520
Dissipation Factor	0.010 @Frequency 1e+6 Hz, Temperature 25.0 °C	0.010 @Frequency 1e+6 Hz, Temperature 77.0 °F	ASTM D150-98

Thermal Properties	Metric	English	Comments
CTE, linear	85.0 µm/m-°C @Temperature <=45.0 °C	47.2 µin/in-°F @Temperature <=113 °F	Below Tg; TMA
	197 µm/m-°C @Temperature >=45.0 °C	109 µin/in-°F @Temperature >=113 °F	Above Tg; TMA
Glass Transition Temp, Tg	45.0 °C	113 °F	DSC
Flammability, UL94	V-0	V-0

Processing Properties	Metric	English	Comments
Shelf Life	12.0 Month @Temperature 23.0 °C	12.0 Month @Temperature 73.4 °F	DOM

Descriptive Properties
Dielectric Withstand	>1500 V		per MIL_I_46058C
Fungus Resistance	Passes		ASTM G21
Resistance to Chemicals	Excellent
Thermal Shock	-65 to 125°C		per MIL_I_46058C

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PCHAS916 / 239777

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