Celanese Hytrel® 4068 TPC-ET

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Celanese Hytrel® 4068 TPC-ET
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE
Material Notes:	40 Shore D High Performance Polyester Elastomer with Non-discoloring Stabilizer Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Metric	English	Comments

Density	1.11 g/cc	0.0401 lb/in³	ISO 1183
Melt Density	1.03 g/cc @Temperature 225 °C	0.0372 lb/in³ @Temperature 437 °F
Water Absorption	0.70 % @Time 86400 sec	0.70 % @Time 24.0 hour	Immersion; Sim. to ISO 62
	0.70 % @Thickness 2.00 mm	0.70 % @Thickness 0.0787 in	Sim. to ISO 62
Moisture Absorption	0.300 % @Thickness 2.00 mm	0.300 % @Thickness 0.0787 in	Sim. to ISO 62
Linear Mold Shrinkage, Flow	0.010 cm/cm	0.010 in/in	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.0090 cm/cm	0.0090 in/in	ISO 294-4, 2577
Melt Flow	8.5 g/10 min @Load 2.16 kg, Temperature 220 °C	8.5 g/10 min @Load 4.76 lb, Temperature 428 °F	ISO 1133
	8.8 g/10 min @Load 2.16 kg, Temperature 220 °C	8.8 g/10 min @Load 4.76 lb, Temperature 428 °F	cm³/10min Volumetric; ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	33	33	15s; ISO 48-4
	<= 37	<= 37	ISO 48-4
Tensile Stress at Strain	2.40 MPa @Strain 5.0 %	348 psi @Strain 5.0 %	1BA specimen at 50mm/min; ISO 527-1/-2
	3.20 MPa @Strain 10 %	464 psi @Strain 10 %	ISO 527-1/-2
	6.70 MPa @Strain 50 %	972 psi @Strain 50 %	ISO 527-1/-2
	7.50 MPa @Strain 100 %	1090 psi @Strain 100 %	ISO 527-1/-2
Flexural Modulus	0.0450 GPa	6.53 ksi	ISO 178
Charpy Impact Unnotched	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 179/1eU
	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	NB @Temperature -40.0 °C	NB @Temperature -40.0 °F	ISO 179/1eA
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 179/1eA
	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 179/1eA
Tensile Impact Strength	145 kJ/m² @Temperature 23.0 °C	69.0 ft-lb/in² @Temperature 73.4 °F	Notched; ISO 8256/1
Tear Strength	100 kN/m	571 pli	parallel; ISO 34-1
	103 kN/m	588 pli	normal; ISO 34-1
Abrasion	180	180	mm³; ISO 4649

Electrical Properties	Metric	English	Comments
Dielectric Constant	4.7 @Frequency 1e+6 Hz	4.7 @Frequency 1e+6 Hz	IEC 62631-2-1
	4.8 @Frequency 100 Hz	4.8 @Frequency 100 Hz	IEC 62631-2-1
Dielectric Strength	18.0 kV/mm	457 kV/in	IEC 60243-1
Comparative Tracking Index	600 V	600 V	IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	230 µm/m-°C	128 µin/in-°F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	230 µm/m-°C	128 µin/in-°F	ISO 11359-1/-2
Specific Heat Capacity	2.14 J/g-°C @Temperature 225 °C	0.511 BTU/lb-°F @Temperature 437 °F	Melt
Thermal Conductivity	0.160 W/m-K @Temperature 225 °C	1.11 BTU-in/hr-ft²-°F @Temperature 437 °F	Melt
Melting Point	193 °C	379 °F	10°C/min; ISO 11357-1/-3
Glass Transition Temp, Tg	-50.0 °C	-58.0 °F	10°C/min; ISO 11357-1/-2
Flame Spread	<= 80.0 mm/min @Thickness 1.00 mm	<= 3.15 in/min @Thickness 0.0394 in	ISO 3795 (FMVSS 302)

Processing Properties	Metric	English	Comments
Melt Temperature	215 °C	419 °F	Optimum, Extrusion
	210 - 225 °C	410 - 437 °F	Range, Extrusion
	225 °C	437 °F	Optimum, Injection
	220 - 250 °C	428 - 482 °F	Range, Injection
Mold Temperature	30.0 - 40.0 °C	86.0 - 104 °F	Injection
	40.0 °C	104 °F	Optimum, Injection
Drying Temperature	100 °C	212 °F	Injection
	90.0 - 110 °C	194 - 230 °F	Extrusion
Dry Time	2.00 - 3.00 hour	2.00 - 3.00 hour	Extrusion, Dehumidified Dryer
	2.00 - 3.00 hour	2.00 - 3.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.060 %	<= 0.060 %	Extrusion
	<= 0.080 %	<= 0.080 %	Injection

Descriptive Properties
Drying Recommended	yes		Injection
Eff. thermal diffusivity (m²/s)	5.44E-08
Emission of organic compounds (µgC/g)	10		VDA 277
FMVSS Class	B		ISO 3795 (FMVSS 302)
Odor Class	4		VDA 270
Part Marking Code	>TPC-ET<		ISO 11469
Polymer	TPC
Resin Identification	TPC-ET		ISO 1043

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.

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PDSX5176 / 197816

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