Hapco DI- PAK™ E-4670 TPU

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Hapco DI- PAK™ E-4670 TPU
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Flexible, high strength, 50 to 71 shore D hardness potting and encapsulating systems. Accelerated gel times, and black or unpigmented versions are available. 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	1.05 g/cc	1.05 g/cc	ASTM D-4669
Viscosity	3100 cP	3100 cP	ASTM D-4878
Linear Mold Shrinkage	0.0030 - 0.0050 cm/cm	0.0030 - 0.0050 in/in	ASTM D-2566

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	69 - 73	69 - 73	ASTM D-2240
Tensile Strength	31.11 MPa	4512 psi	ASTM D-638
Elongation at Break	87 %	87 %	ASTM D-638
Modulus of Elasticity	0.379 GPa	55.0 ksi	ASTM D-638
Flexural Strength	25.6 MPa	3710 psi	ASTM D-790
Flexural Modulus	0.393 GPa	57.0 ksi	ASTM D-790
Izod Impact, Notched	3.42 J/cm	6.40 ft-lb/in	ASTM D-256
Izod Impact, Unnotched	NB	NB	ASTM D-256
Tear Strength	116 kN/m	660 pli	ASTM 624 Die-C

Electrical Properties	Metric	English	Comments
Volume Resistivity	4.20e+13 ohm-cm	4.20e+13 ohm-cm	ASTM D-270
Dielectric Constant	1.9 @Frequency 1000 Hz	1.9 @Frequency 1000 Hz	ASTM D-150
	2.3 @Frequency 100000 Hz	2.3 @Frequency 100000 Hz	ASTM D-150
Dielectric Strength	>= 13.8 kV/mm	>= 350 kV/in	ASTM D-149
Dissipation Factor	0.038 @Frequency 100000 Hz	0.038 @Frequency 100000 Hz	ASTM D-150

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.216 W/m-K	1.50 BTU-in/hr-ft²-°F
Maximum Service Temperature, Inert	150 °C	302 °F

Processing Properties	Metric	English	Comments
Cure Time	60.0 - 120 min @Thickness 3.17 mm	1.00 - 2.00 hour @Thickness 0.125 in	Demold
Gel Time	18.0 min	18.0 min	ASTM D-2971
	3.00 min @Load 0.100 kg	3.00 min @Load 0.221 lb	ASTM D-2971

Descriptive Properties
Color (cured)	Black
Mix Ratio	100:65		Volume
	100:65		Weight

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PHAPCO020 / 317079

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