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Ensinger PEI

Celanese Riteflex® 435 TPC, Unfilled
Categories: Polymer; Thermoplastic; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes: Riteflex« 435 is a Thermoplastic Polyester Elastomer with a 35 nominal Shore D hardness, low modulus and outstanding low temperature impact strength and tear resistance.

Information provided by Celanese
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Physical PropertiesMetricEnglishComments
Density 1.10 g/cc0.0397 lb/in³ISO 1183
Linear Mold Shrinkage, Flow 0.013 cm/cm0.013 in/inISO 294-4
Linear Mold Shrinkage, Transverse 0.010 cm/cm0.010 in/inISO 294-4
Melt Flow 9.0 g/10 min
@Load 2.16 kg,
Temperature 220 °C		9.0 g/10 min
@Load 4.76 lb,
Temperature 428 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 9191ISO 868
Hardness, Shore D 353515 sec; ISO 868
 3535ISO 868
Tensile Strength at Break 16.0 MPa2320 psi50mm/min; ISO 527-2/1A
Tensile Stress at Strain  2.00 MPa
@Strain 5.0 %		290 psi
@Strain 5.0 %		ISO 527-1/2
 3.00 MPa
@Strain 10 %		435 psi
@Strain 10 %		ISO 527-1/2
 6.00 MPa
@Strain 50 %		870 psi
@Strain 50 %		ISO 727-1/2
 6.00 MPa
@Strain 50 %		870 psi
@Strain 50 %		ISO 527-2/1A
Elongation at Break 650 %650 %50mm/min; ISO 527-2/1A
Tensile Modulus 0.0450 GPa6.53 ksi50mm/min; ISO 527-2/1A
Flexural Strength 3.00 MPa435 psiISO 178
 1.00 MPa
@Strain 3.5 %		145 psi
@Strain 3.5 %		ISO 178
Flexural Modulus 0.0350 GPa5.08 ksiISO 178
 0.0190 GPa
@Temperature 100 °C		2.76 ksi
@Temperature 212 °F		ISO 178
 0.240 GPa
@Temperature -40.0 °C		34.8 ksi
@Temperature -40.0 °F		ISO 178
Resilience 6060Bayshore, %
 6565Bayshore, %; ASTM D2632
Flex Crack Resistance >= 1.00e+6>= 1.00e+6Ross flex
Izod Impact, Notched (ISO) NBNBISO 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 NBNBISO 179/1eU
 NB
@Temperature -30.0 °C		NB
@Temperature -22.0 °F		ISO 179/1eU
Charpy Impact, Notched NBNBISO 179/1eA
 NB
@Temperature -30.0 °C		NB
@Temperature -22.0 °F		ISO 179/1eA
Tear Strength 89.0 kN/m508 pliISO 34-1
 89.1 kN/m508 pliISO 34-1
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 2.00e+13 ohm-cm2.00e+13 ohm-cmIEC 60093
Surface Resistance 2.00e+15 ohm2.00e+15 ohmIEC 60093
Dielectric Constant 5.1
@Frequency 1e+6 Hz		5.1
@Frequency 1e+6 Hz		IEC 60250
Dielectric Strength 25.0 kV/mm635 kV/inIEC 60243-1
Comparative Tracking Index >= 600 V>= 600 VIEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 240 µm/m-°C133 µin/in-°FISO 11359-2
Melting Point 185 °C365 °F10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 0.46 MPa (66 psi) 45.0 °C113 °FISO 75-1, -2
Flammability, UL94 HBHB
 HB
@Thickness 1.50 mm		HB
@Thickness 0.0591 in
 
Processing PropertiesMetricEnglishComments
Processing Temperature 20.0 - 55.0 °C68.0 - 131 °Fcavity
 200 - 215 °C392 - 419 °Fhot runner
Feed Temperature 185 - 200 °C365 - 392 °F
Zone 1 185 - 200 °C365 - 392 °F
Zone 2 185 - 200 °C365 - 392 °F
Zone 3 185 - 210 °C365 - 410 °F
Zone 4 185 - 215 °C365 - 419 °F
Die Temperature 200 - 215 °C392 - 419 °F
Melt Temperature 200 - 215 °C392 - 419 °F
Drying Temperature 100 - 110 °C212 - 230 °F
Dry Time 4.00 hour4.00 hour
Moisture Content <= 0.050 %<= 0.050 %
 
Descriptive Properties
Injection moldingYes
Injection speedmedium-fast
Processing typeInj/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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PHCQ448 / 178903

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