DuPont Mobility and Materials Hytrel® HTR8341G BK320 TPC-ET

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DuPont Mobility and Materials Hytrel® HTR8341G BK320 TPC-ET (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE
Material Notes:	40 Shore D, Slightly Lubricated, High Viscosity Polyester Elastomer with Superior Fatigue Resistance Developed for Blow Molding While this product line has been acquired by Celanese, this specific grade had been disconued while still a DuPont product so it is listed here as a discontinued DuPont product.
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Physical Properties	Metric	English	Comments

Density	1.14 g/cc	0.0412 lb/in³	ISO 1183
Water Absorption	0.50 % @Thickness 2.00 mm	0.50 % @Thickness 0.0787 in	Sim. to ISO 62
Moisture Absorption	0.200 % @Thickness 2.00 mm	0.200 % @Thickness 0.0787 in	Sim. to ISO 62
Melt Flow	0.90 g/10 min @Load 2.16 kg, Temperature 230 °C	0.90 g/10 min @Load 4.76 lb, Temperature 446 °F	ISO 1133
	1.0 g/10 min @Load 2.16 kg, Temperature 230 °C	1.0 g/10 min @Load 4.76 lb, Temperature 446 °F	cm³/10min Volumetric Rate; ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	40	40	ISO 7619-1
	37 @Time 15.0 sec	37 @Time 0.00417 hour	ISO 7619-1
Tensile Strength at Break	29.0 MPa	4210 psi	ISO 527-1/-2
Tensile Stress at Strain	6.70 MPa @Strain 10 %	972 psi @Strain 10 %	ISO 527-1/-2
	11.9 MPa @Strain 50 %	1730 psi @Strain 50 %	ISO 527-1/-2
Elongation at Break	>= 300 %	>= 300 %	ISO 527-1/-2
	390 %	390 %	ISO 527-1/-2
Tensile Modulus	0.0800 GPa	11.6 ksi	ISO 527-1/-2
Flexural Modulus	0.0800 GPa	11.6 ksi	ISO 178
Charpy Impact, Notched	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 179/1eA
	NB @Temperature -40.0 °C	NB @Temperature -40.0 °F	ISO 179/1eA
Tear Strength	110 kN/m	628 pli	parallel; ISO 34-1
	120 kN/m	685 pli	normal; ISO 34-1

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	179 µm/m-°C	99.4 µin/in-°F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	168 µm/m-°C	93.3 µin/in-°F	ISO 11359-1/-2
Melting Point	208 °C	406 °F	10°C/min; ISO 11357-1/-3
Glass Transition Temp, Tg	-45.0 °C	-49.0 °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	230 - 250 °C	446 - 482 °F	Injection
	240 °C	464 °F	Injection Optimum
Mold Temperature	40.0 - 50.0 °C	104 - 122 °F	Injection
	45.0 °C	113 °F	Injection Optimum
Drying Temperature	100 °C	212 °F	Injection
Dry Time	3.00 - 4.00 hour	3.00 - 4.00 hour	Dehumidified Dryer; Injection
Moisture Content	0.080 %	0.080 %	Injection

Descriptive Properties
Delivery form	Pellets
Drying Recommended	yes		Injection
FMVSS Class	B		ISO 3795 (FMVSS 302)
Part Marking Code	TPC-ET		ISO 11469
Processing	Blow Molding
	Casting
	Coatable
	Injection Molding
	Other Extrusion
	Profile Extrusion
	Sheet Extrusion
	Thermoforming
Regional Availability	Asia Pacific
	Europe
	Global
	Near East/Africa
	North America
	South and Central America
Resin Identification	TPC-ET		ISO 1043
Special characteristics	Heat stabilized or stable to heat

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PDSX5214 / 197854

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