Celanese Hytrel® HTR8685 BK022A TPC-ET

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Celanese Hytrel® HTR8685 BK022A TPC-ET
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE
Material Notes:	44 Shore D, Lubricated, High Viscosity Polyester Elastomer with Superior Fatigue Resistance Developed for Blow Molding Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Original Value	Comments

Density	1.15 g/cc	ISO 1183
Linear Mold Shrinkage, Flow	0.017 cm/cm	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.016 cm/cm	ISO 294-4, 2577
Melt Flow	0.70 g/10 min @Load 2.16 kg, Temperature 230 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore D	41	15s; ISO 48-4
	<= 44	ISO 48-4
Tensile Stress at Strain	8.40 MPa @Strain 10 %	ISO 527-1/-2
	14.0 MPa @Strain 50 %	ISO 527-1/-2
	19.0 MPa @Strain 100 %	ISO 527-1/-2
Flexural Modulus	100 MPa	ISO 178
Charpy Impact, Notched	120 kJ/m² @Temperature -40.0 °C	ISO 179/1eA
	NB @Temperature 23.0 °C	ISO 179/1eA
Tear Strength	109 kN/m	normal; ISO 34-1
	112 kN/m	parallel; ISO 34-1

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	210 µm/m-°C	ISO 11359-1/-2
CTE, linear, Transverse to Flow	200 µm/m-°C	ISO 11359-1/-2
Melting Point	206 °C	10°C/min; ISO 11357-1/-3
Glass Transition Temp, Tg	-30.0 °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	240 °C	Optimum, Injection
	230 - 250 °C	Range, Injection
Mold Temperature	45.0 °C	Optimum, Injection
	40.0 - 50.0 °C	Injection
Drying Temperature	100 °C	Injection
Dry Time	3.00 - 4.00 hour	Blow Molding, Dehumidified Dryer
	3.00 - 4.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.020 %	Blow Molding
	<= 0.080 %	Injection

Descriptive Properties
Drying Recommended	yes	Injection
FMVSS Class	B	ISO 3795 (FMVSS 302)
Part Marking Code	>TPC-ET<	ISO 11469
Polymer	TPC
Regional Availability	Asia Pacific
	Europe
	Global
	Near East/Africa
	North America
	South and Central America
Resin Identification	TPC-ET	ISO 1043

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