Celanese Hytrel® DYM250S BK472 TPC-ET+PBT

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Celanese Hytrel® DYM250S BK472 TPC-ET+PBT
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE
Material Notes:	Medium Modulus Polyester Elastomer with Excellent Impact Resistance Developed for Air Bag Door Applications Former DuPont product acquired by Celanese in 2022.
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Physical Properties	Metric	English	Comments

Density	1.16 g/cc	0.0419 lb/in³	ISO 1183
Melt Density	0.995 g/cc @Temperature 245 °C	0.0359 lb/in³ @Temperature 473 °F
Linear Mold Shrinkage, Flow	0.012 cm/cm	0.012 in/in	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.012 cm/cm	0.012 in/in	ISO 294-4, 2577
Melt Flow	13 g/10 min @Load 2.16 kg, Temperature 240 °C	13 g/10 min @Load 4.76 lb, Temperature 464 °F	cm³/10min Volumetric; ISO 1133
	13 g/10 min @Load 2.16 kg, Temperature 240 °C	13 g/10 min @Load 4.76 lb, Temperature 464 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	44	44	15s; ISO 48-4
	<= 49	<= 49	ISO 48-4
Tensile Stress at Strain	7.80 MPa @Strain 5.0 %	1130 psi @Strain 5.0 %	1BA specimen at 50mm/min; ISO 527-1/-2
	9.70 MPa @Strain 10 %	1410 psi @Strain 10 %	ISO 527-1/-2
	12.5 MPa @Strain 50 %	1810 psi @Strain 50 %	ISO 527-1/-2
	14.0 MPa @Strain 100 %	2030 psi @Strain 100 %	ISO 527-1/-2
	18.0 MPa @Strain 300 %	2610 psi @Strain 300 %	ISO 527-1/-2
Flexural Modulus	0.350 GPa	50.8 ksi	ISO 178
Tear Strength	90.0 kN/m	514 pli	normal; ISO 34-1
	110 kN/m	628 pli	parallel; ISO 34-1

Thermal Properties	Metric	English	Comments
Melting Point	222 °C	432 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	48.0 °C	118 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	41.0 °C	106 °F	ISO 75-1/-2
Brittleness Temperature	-100 °C	-148 °F	ISO 974
Flame Spread	24.0 mm/min @Thickness 1.00 mm	0.945 in/min @Thickness 0.0394 in	ISO 3795 (FMVSS 302)

Processing Properties	Metric	English	Comments
Melt Temperature	245 °C	473 °F	Optimum, Injection
	240 - 250 °C	464 - 482 °F	Range, Injection
Mold Temperature	45.0 °C	113 °F	Optimum, Injection
	40.0 - 55.0 °C	104 - 131 °F	Injection
Drying Temperature	100 °C	212 °F	Injection
Dry Time	3.00 - 4.00 hour	3.00 - 4.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.050 %	<= 0.050 %	Injection

Descriptive Properties
Drying Recommended	yes		Injection
Emission of organic compounds (µgC/g)	9.5		VDA 277
FMVSS Class	B		ISO 3795 (FMVSS 302)
Fogging (%)	100		F-value (refraction); ISO 6452
Fogging (mg)	0		G-value (condensate); ISO 6452
Odor Class	4		VDA 270
Part Marking Code	>TPC-ET+PBT<		ISO 11469
Polymer	(TPC+PBT)
Resin Identification	TPC-ET+PBT		ISO 1043

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PDSX5194 / 197834

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