Celanese Hytrel® HTR8813 BK320 Polyester Elastomer

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Celanese Hytrel® HTR8813 BK320 Polyester Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE
Material Notes:	55 Shore D, Flame Retardant, Non-Halogenated, Black, High Performance Polyester Elastomer Developed for Extrusion and Injection Molding Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Original Value	Comments

Density	1.23 g/cc	ISO 1183
Linear Mold Shrinkage, Flow	0.012 cm/cm	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.012 cm/cm	ISO 294-4, 2577
Melt Flow	12 g/10 min @Load 2.16 kg, Temperature 220 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore D	55	15s; ISO 48-4
	<= 58	ISO 48-4
Tensile Stress at Strain	8.00 MPa @Strain 5.0 %	1BA specimen at 50mm/min; ISO 527-1/-2
	11.0 MPa @Strain 10 %	ISO 527-1/-2
	11.0 MPa @Strain 50 %	ISO 527-1/-2
	12.0 MPa @Strain 100 %	ISO 527-1/-2
Tensile Modulus	450 MPa	ISO 527-1/-2
Poissons Ratio	0.47

Thermal Properties	Original Value	Comments
Melting Point	200 °C	10°C/min; ISO 11357-1/-3
Glass Transition Temp, Tg	-30.0 °C	10°C/min; ISO 11357-1/-2
Flammability, UL94	V-0 @Thickness 0.800 mm	IEC 60695-11-10
	V-0 @Thickness 1.50 mm	IEC 60695-11-10
Flame Spread	<= 80.0 mm/min @Thickness 1.00 mm	ISO 3795 (FMVSS 302)
Oxygen Index	49 %	ISO 4589-1/-2

Processing Properties	Original Value	Comments
Melt Temperature	220 - 235 °C	Range, Extrusion
	220 - 240 °C	Range, Injection
Drying Temperature	100 °C	Injection
	100 °C	Extrusion
Dry Time	2.00 - 3.00 hour	Extrusion, Dehumidified Dryer
	2.00 - 3.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.060 %	Extrusion
	<= 0.080 %	Injection

Descriptive Properties
Additives	Flame retardant
	Non-halogenated/Red phosphorous free flame retardant
Drying Recommended	yes	Injection
FMVSS Class	B	ISO 3795 (FMVSS 302)
Polymer	TPC

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PDSX5221r / 254341

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