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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore D	40	ISO 7619-1
	37 @Time 15.0 sec	ISO 7619-1
Tensile Strength at Break	29.0 MPa	ISO 527-1/-2
Tensile Stress at Strain	6.70 MPa @Strain 10 %	ISO 527-1/-2
	11.9 MPa @Strain 50 %	ISO 527-1/-2
Elongation at Break	>= 300 %	ISO 527-1/-2
	390 %	ISO 527-1/-2
Tensile Modulus	80.0 MPa	ISO 527-1/-2
Flexural Modulus	80.0 MPa	ISO 178
Charpy Impact, Notched	NB @Temperature 23.0 °C	ISO 179/1eA
	NB @Temperature -40.0 °C	ISO 179/1eA
Tear Strength	110 kN/m	parallel; ISO 34-1
	120 kN/m	normal; ISO 34-1

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	179 µm/m-°C	ISO 11359-1/-2
CTE, linear, Transverse to Flow	168 µm/m-°C	ISO 11359-1/-2
Melting Point	208 °C	10°C/min; ISO 11357-1/-3
Glass Transition Temp, Tg	-45.0 °C	10°C/min; ISO 11357-1/-2
Flame Spread	<= 80.0 mm/min @Thickness 1.00 mm	ISO 3795 (FMVSS 302)

Processing Properties	Original Value	Comments
Melt Temperature	230 - 250 °C	Injection
	240 °C	Injection Optimum
Mold Temperature	40.0 - 50.0 °C	Injection
	45.0 °C	Injection Optimum
Drying Temperature	100 °C	Injection
Dry Time	3.00 - 4.00 hour	Dehumidified Dryer; Injection
Moisture Content	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

**
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PDSX5214 / 197854

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