Hapco DI- PAK™ E-4701 TPU

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Hapco DI- PAK™ E-4701 TPU
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Easily pourable, thermally conductive, shock resistant potting compounds that are ideally suited for low and high production applications. This series of DI-PAK™ products reduce rejects by exhibiting extremely low stress on potted components. All three of the above DI-PAK™ E products are flame retardant and pass the 94V test with a rating of 0. The Di-Pak™ Advantage: Flexible or Rigid Low Viscosity Multiple Speeds Mercury Free Improve your process and your product: Eliminate Rejects Fast Cure & Fast Turnover Increase Performance Hand Mix or Dispense Information provided by Hapco, Inc.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.50 g/cc	1.50 g/cc	ASTM D-4669
Viscosity	9200 cP	9200 cP	ASTM D-4878
Linear Mold Shrinkage	0.00050 - 0.015 cm/cm	0.00050 - 0.015 in/in	ASTM D-2566

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	65	65	ASTM D-2240
Tensile Strength	6.89 MPa	1000 psi	ASTM D-638
Elongation at Break	145 %	145 %	ASTM D-638
Izod Impact, Notched	NB	NB	ASTM D-256
Izod Impact, Unnotched	NB	NB	ASTM D-256

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.36e+12 ohm-cm	1.36e+12 ohm-cm	ASTM D-270
Dielectric Constant	4.1 @Frequency 100000 Hz	4.1 @Frequency 100000 Hz	ASTM D-150
	4.4 @Frequency 1000 Hz	4.4 @Frequency 1000 Hz	ASTM D-150
Dielectric Strength	>= 15.7 kV/mm	>= 400 kV/in	ASTM D-149
Dissipation Factor	0.073 @Frequency 100000 Hz	0.073 @Frequency 100000 Hz	ASTM D-150

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.418 W/m-K	2.90 BTU-in/hr-ft²-°F
Maximum Service Temperature, Inert	125 °C	257 °F

Processing Properties	Metric	English	Comments
Cure Time	180 - 300 min @Thickness 3.17 mm	3.00 - 5.00 hour @Thickness 0.125 in	Demold
Gel Time	30.0 min @Load 0.100 kg	30.0 min @Load 0.221 lb	ASTM D-2971

Descriptive Properties
Color (cured)	Black
Mix Ratio	100:150		Volume
	100:250		Weight

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PHAPCO026 / 317085

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