ITW Insulcast® 333 Epoxy Potting/Encapsulation Compound

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ITW Insulcast® 333 Epoxy Potting/Encapsulation Compound
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Insulcast® solutions are compounds designed for potting and encapsulating. INSULCAST 333 is a moderate viscosity, self-extinguishing, epoxy potting/casting compound which is recognized under the component program of Underwriters Laboratories’ Flame Class 94V-0. Information provided by ITW Performance Polymers.
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Physical Properties	Metric	English	Comments

Specific Gravity	0.950 g/cc	0.950 g/cc	Uncured. Insulcure 11B
	0.970 g/cc	0.970 g/cc	Uncured. Insulcure 9
	0.980 g/cc	0.980 g/cc	uncured. Insulcure 20
	1.55 g/cc	1.55 g/cc	uncured
Viscosity	55 cP	55 cP	Insulcure 9; ASTM D2393
	700 cP	700 cP	Insulcure 11B; ASTM D2393
	700 cP	700 cP	Insulcure 20; ASTM D2393
	2000 cP	2000 cP	Uncured, mixed. Insulcure 9; ASTM D2393
	3000 cP	3000 cP	Uncured, mixed. Insulcure 11B; ASTM D2393
	3000 cP	3000 cP	Uncured, mixed. Insulcure 20; ASTM D2393
	13000 cP	13000 cP	uncured; ASTM D2393

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	85	85	Cured. Insulcure 11B; ASTM D2240
	85	85	Cured. Insulcure 20; ASTM D2240
	85	85	Cured. Insulcure 9; ASTM D2240
Tensile Strength	79.3 MPa	11500 psi	Cured. Insulcure 20; ASTM D638
	79.3 MPa	11500 psi	Cured. Insulcure 9; ASTM D638
	82.7 MPa	12000 psi	Cured. Insulcure 11B; ASTM D638
Elongation at Break	2.75 %	2.75 %	Cured. Insulcure 20; ASTM D638
	2.75 %	2.75 %	Cured. Insulcure 9; ASTM D638
	3.75 %	3.75 %	Cured. Insulcure 11B; ASTM D638
Flexural Strength	121 MPa	17500 psi	Cured. Insulcure 20; ASTM D790
	121 MPa	17500 psi	Cured. Insulcure 9; ASTM D790
	134 MPa	19500 psi	Cured. Insulcure 11B; ASTM D790
Compressive Strength	96.5 MPa	14000 psi	Cured. Insulcure 20; ASTM D695
	96.5 MPa	14000 psi	Cured. Insulcure 9; ASTM D695
	100 MPa	14500 psi	Cured. Insulcure 11B; ASTM D695

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm	Insulcure 11B; ASTM D257
	1.00e+15 ohm-cm	1.00e+15 ohm-cm	Insulcure 20; ASTM D257
	1.00e+15 ohm-cm	1.00e+15 ohm-cm	Insulcure 9; ASTM D257
Dielectric Constant	4.4 @Frequency 1000 Hz	4.4 @Frequency 1000 Hz	Insulcure 20; ASTM D150
	4.4 @Frequency 1000 Hz	4.4 @Frequency 1000 Hz	Insulcure 9; ASTM D150
	4.5 @Frequency 1000 Hz	4.5 @Frequency 1000 Hz	Insulcure 11B; ASTM D150
Dielectric Strength	16.1 kV/mm	410 kV/in	Insulcure 20; ASTM D149
	16.1 kV/mm	410 kV/in	Insulcure 9; ASTM D149
	16.9 kV/mm	430 kV/in	Insulcure 11B; ASTM D149
Dissipation Factor	0.020 @Frequency 1000 Hz	0.020 @Frequency 1000 Hz	ASTM D150
	0.020 @Frequency 1000 Hz	0.020 @Frequency 1000 Hz	ASTM D150
	0.020 @Frequency 1000 Hz	0.020 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
CTE, linear	48.0 µm/m-°C	26.7 µin/in-°F	Cured. Insulcure 11B
	48.0 µm/m-°C	26.7 µin/in-°F	Cured. Insulcure 20
	48.0 µm/m-°C	26.7 µin/in-°F	Cured. Insulcure 9
Thermal Conductivity	0.605 W/m-K	4.20 BTU-in/hr-ft²-°F	Cured. Insulcure 11B
	0.620 W/m-K	4.30 BTU-in/hr-ft²-°F	Cured. Insulcure 20
	0.620 W/m-K	4.30 BTU-in/hr-ft²-°F	Cured. Insulcure 9
Maximum Service Temperature, Air	105 °C	221 °F
	105 °C	221 °F
	155 °C	311 °F
Heat Distortion Temperature	80.0 °C	176 °F	Load Not Reported. Insulcure 20
	80.0 °C	176 °F	Load Not Reported. Insulcure 9
	155 °C	311 °F	Load Not Reported. Insulcure 11B
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F	Cured. Insulcure 11B
	-40.0 °C	-40.0 °F	Cured. Insulcure 20
	-40.0 °C	-40.0 °F	Cured. Insulcure 9
Flammability, UL94	V-0	V-0	Insulcure 9
	V-0	V-0	Insulcure 20
	V-0	V-0	Insulcure 11B

Processing Properties	Metric	English	Comments
Pot Life	60.0 min	60.0 min	Insulcure 20. 100 grams.
	60.0 min	60.0 min	Insulcure 9. 100 grams
	150 min	150 min	Insulcure 11B, 100 grams
Shelf Life	12.0 Month	12.0 Month	Insulcure 11B
	12.0 Month	12.0 Month	Insulcure 20
	12.0 Month	12.0 Month	Insulcure 9
	12.0 Month	12.0 Month

Descriptive Properties
Color	amber		Insulcure 9
	amber		Insulcure 20
	amber		Insulcure 11B
	black		Insulcast 333
Mix Ratio by weight	100:12-16		Insulcast 333:Insulcure 20
	100:6		Insulcast 333:Insulcure 9
	100:8		Insulcast 333:Insulcure 11B

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PITWIN9090 / 239600

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