Celanese Riteflex® 425 TPC, Unfilled

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Celanese Riteflex® 425 TPC, Unfilled
Categories:	Polymer; Thermoplastic; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes:	Riteflex 425 is a nominal 25 Shore D thermoplastic polyester elastomer with low modulus and outstanding low temperature impact, and tear resistance. Information provided by Celanese
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Physical Properties	Metric	English	Comments

Density	1.06 g/cc	0.0383 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.012 cm/cm	0.012 in/in	ISO 294-4
Linear Mold Shrinkage, Transverse	0.012 cm/cm	0.012 in/in	ISO 294-4
Melt Flow	13 g/10 min @Load 2.16 kg, Temperature 190 °C	13 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	79	79	ISO 868
Hardness, Shore D	24	24	15 sec; ISO 868
Tensile Strength at Break	10.0 MPa	1450 psi	50mm/min; ISO 527-2/1A
Tensile Stress at Strain	1.00 MPa @Strain 5.0 %	145 psi @Strain 5.0 %	ISO 527-1/2
	2.00 MPa @Strain 10 %	290 psi @Strain 10 %	ISO 527-1/2
	3.00 MPa @Strain 50 %	435 psi @Strain 50 %	ISO 727-1/2
	3.00 MPa @Strain 50 %	435 psi @Strain 50 %	ISO 527-2/1A
Elongation at Break	750 %	750 %	50mm/min; ISO 527-2/1A
Flexural Strength	1.00 MPa	145 psi	ISO 178
	1.00 MPa @Strain 3.5 %	145 psi @Strain 3.5 %	ISO 178
Flexural Modulus	0.0170 GPa	2.47 ksi	ISO 178
	0.00800 GPa @Temperature 100 °C	1.16 ksi @Temperature 212 °F	ISO 178
	0.162 GPa @Temperature -40.0 °C	23.5 ksi @Temperature -40.0 °F	ISO 178
Resilience	65	65	Bayshore, %; ASTM D2632
	65	65	Bayshore, %
Flex Crack Resistance	>= 1.00e+6	>= 1.00e+6	Ross flex
Izod Impact, Notched (ISO)	NB	NB	ISO 180
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 180/1U
	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 180/1U
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 180/1A
Charpy Impact Unnotched	NB	NB	ISO 179/1eU
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 179/1eU
Charpy Impact, Notched	NB	NB	ISO 179/1eA
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 179/1eA
Tear Strength	61.0 kN/m	348 pli	ISO 34-1
	62.0 kN/m	354 pli	ISO 34-1

Electrical Properties	Metric	English	Comments
Volume Resistivity	2.00e+14 ohm-cm	2.00e+14 ohm-cm	IEC 60093
Surface Resistance	2.00e+14 ohm	2.00e+14 ohm	IEC 60093
Dielectric Constant	5.1 @Frequency 1e+6 Hz	5.1 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	24.0 kV/mm	610 kV/in	IEC 60243-1
Comparative Tracking Index	>= 600 V	>= 600 V	IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	250 µm/m-°C	139 µin/in-°F	ISO 11359-2
Melting Point	155 °C	311 °F	10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 0.46 MPa (66 psi)	42.0 °C	108 °F	ISO 75-1, -2
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in

Processing Properties	Metric	English	Comments
Processing Temperature	20.0 - 55.0 °C	68.0 - 131 °F	cavity
	170 - 190 °C	338 - 374 °F	hot runner
Feed Temperature	155 - 170 °C	311 - 338 °F
Zone 1	155 - 170 °C	311 - 338 °F
Zone 2	170 - 180 °C	338 - 356 °F
Zone 3	170 - 180 °C	338 - 356 °F
Zone 4	170 - 180 °C	338 - 356 °F
Die Temperature	170 - 190 °C	338 - 374 °F
Melt Temperature	170 - 190 °C	338 - 374 °F
Drying Temperature	100 - 110 °C	212 - 230 °F
Dry Time	4.00 hour	4.00 hour
Moisture Content	<= 0.050 %	<= 0.050 %

Descriptive Properties
Injection molding	Yes
Injection speed	medium-fast
Processing type	Inj/Blow/Ext

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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PHCQ447 / 178902

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