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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore D	85	Cured. Insulcure 11B; ASTM D2240
	85	Cured. Insulcure 20; ASTM D2240
	85	Cured. Insulcure 9; ASTM D2240
Tensile Strength	11500 psi	Cured. Insulcure 20; ASTM D638
	11500 psi	Cured. Insulcure 9; ASTM D638
	12000 psi	Cured. Insulcure 11B; ASTM D638
Elongation at Break	2.75 %	Cured. Insulcure 20; ASTM D638
	2.75 %	Cured. Insulcure 9; ASTM D638
	3.75 %	Cured. Insulcure 11B; ASTM D638
Flexural Strength	17500 psi	Cured. Insulcure 20; ASTM D790
	17500 psi	Cured. Insulcure 9; ASTM D790
	19500 psi	Cured. Insulcure 11B; ASTM D790
Compressive Strength	14000 psi	Cured. Insulcure 20; ASTM D695
	14000 psi	Cured. Insulcure 9; ASTM D695
	14500 psi	Cured. Insulcure 11B; ASTM D695

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm	Insulcure 11B; ASTM D257
	1.00e+15 ohm-cm	Insulcure 20; ASTM D257
	1.00e+15 ohm-cm	Insulcure 9; ASTM D257
Dielectric Constant	4.4 @Frequency 1000 Hz	Insulcure 20; ASTM D150
	4.4 @Frequency 1000 Hz	Insulcure 9; ASTM D150
	4.5 @Frequency 1000 Hz	Insulcure 11B; ASTM D150
Dielectric Strength	410 V/mil	Insulcure 20; ASTM D149
	410 V/mil	Insulcure 9; ASTM D149
	430 V/mil	Insulcure 11B; ASTM D149
Dissipation Factor	0.020 @Frequency 1000 Hz	ASTM D150
	0.020 @Frequency 1000 Hz	ASTM D150
	0.020 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear	48.0 µm/m-°C	Cured. Insulcure 11B
	48.0 µm/m-°C	Cured. Insulcure 20
	48.0 µm/m-°C	Cured. Insulcure 9
Thermal Conductivity	4.20 BTU-in/hr-ft²-°F	Cured. Insulcure 11B
	4.30 BTU-in/hr-ft²-°F	Cured. Insulcure 20
	4.30 BTU-in/hr-ft²-°F	Cured. Insulcure 9
Maximum Service Temperature, Air	105 °C
	105 °C
	155 °C
Heat Distortion Temperature	80.0 °C	Load Not Reported. Insulcure 20
	80.0 °C	Load Not Reported. Insulcure 9
	155 °C	Load Not Reported. Insulcure 11B
Minimum Service Temperature, Air	-55.0 °C	Cured. Insulcure 11B
	-40.0 °C	Cured. Insulcure 20
	-40.0 °C	Cured. Insulcure 9
Flammability, UL94	V-0	Insulcure 9
	V-0	Insulcure 20
	V-0	Insulcure 11B

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