Celanese Hytrel® G4774 TPC-ET

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Celanese Hytrel® G4774 TPC-ET
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE
Material Notes:	47 Shore D Standard Performance Polyester Elastomer with Heat Ageing Protection Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Metric	English	Comments

Density	1.19 g/cc	0.0430 lb/in³	ISO 1183
Melt Density	1.01 g/cc @Temperature 240 °C	0.0365 lb/in³ @Temperature 464 °F
Water Absorption	2.5 % @Time 86400 sec	2.5 % @Time 24.0 hour	Immersion; Sim. to ISO 62
Linear Mold Shrinkage, Flow	0.015 cm/cm	0.015 in/in	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.012 cm/cm	0.012 in/in	ISO 294-4, 2577
Melt Flow	11 g/10 min @Load 2.16 kg, Temperature 230 °C	11 g/10 min @Load 4.76 lb, Temperature 446 °F	cm³/10min Volumetric; ISO 1133
	11 g/10 min @Load 2.16 kg, Temperature 230 °C	11 g/10 min @Load 4.76 lb, Temperature 446 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	43	43	15s; ISO 48-4
	<= 48	<= 48	ISO 48-4
Tensile Stress at Strain	7.00 MPa @Strain 10 %	1020 psi @Strain 10 %	ISO 527-1/-2
	12.0 MPa @Strain 50 %	1740 psi @Strain 50 %	ISO 527-1/-2
Flexural Modulus	0.111 GPa	16.1 ksi	ISO 178
Izod Impact, Notched (ISO)	NB @Temperature -40.0 °C	NB @Temperature -40.0 °F	ISO 180/1A
	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 180/1A
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	12.0 J/cm² @Temperature -40.0 °C	57.1 ft-lb/in² @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	260 kJ/m² @Temperature 23.0 °C	124 ft-lb/in² @Temperature 73.4 °F	Notched; ISO 8256/1
Tear Strength	90.0 kN/m	514 pli	normal; ISO 34-1
	100 kN/m	571 pli	parallel; ISO 34-1
Abrasion	33	33	mm³; ISO 4649

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm	IEC 62631-3-1

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	220 µm/m-°C	122 µin/in-°F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	190 µm/m-°C	106 µin/in-°F	ISO 11359-1/-2
Specific Heat Capacity	2.10 J/g-°C @Temperature 240 °C	0.502 BTU/lb-°F @Temperature 464 °F	Melt
Thermal Conductivity	0.160 W/m-K @Temperature 240 °C	1.11 BTU-in/hr-ft²-°F @Temperature 464 °F	Melt
Melting Point	208 °C	406 °F	10°C/min; ISO 11357-1/-3
Brittleness Temperature	-66.0 °C	-86.8 °F	ISO 974
Glass Transition Temp, Tg	-45.0 °C	-49.0 °F	10°C/min; ISO 11357-1/-2
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	IEC 60695-11-10
	HB @Thickness 3.00 mm	HB @Thickness 0.118 in	IEC 60695-11-10
Flame Spread	33.0 mm/min @Thickness 1.00 mm	1.30 in/min @Thickness 0.0394 in	ISO 3795 (FMVSS 302)

Processing Properties	Metric	English	Comments
Melt Temperature	230 °C	446 °F	Optimum, Extrusion
	225 - 240 °C	437 - 464 °F	Range, Extrusion
	240 °C	464 °F	Optimum, Injection
	235 - 260 °C	455 - 500 °F	Range, Injection
Mold Temperature	45.0 °C	113 °F	Optimum, Injection
	45.0 - 55.0 °C	113 - 131 °F	Injection
Drying Temperature	100 °C	212 °F	Injection
	100 °C	212 °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)	18		VDA 277
FMVSS Class	B		ISO 3795 (FMVSS 302)
Odor Class	5		VDA 270
Part Marking Code	>TPC-ET<		ISO 11469
Polymer	TPC
Resin Identification	TPC-ET		ISO 1043

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PDSX5200 / 197840

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