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Rulon Bearings

Celanese Hytrel® HTR8068 TPC-ET-FR(17)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE
Material Notes: 44 Shore D, Flame Retardant, Polyester Elastomer Developed for Extrusion and Injection Molding

Former DuPont product acquired by Celanese in 2022.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.43 g/cc0.0517 lb/in³ISO 1183
Melt Density 1.30 g/cc
@Temperature 200 °C		0.0470 lb/in³
@Temperature 392 °F
Water Absorption 1.9 %
@Time 86400 sec		1.9 %
@Time 24.0 hour		Immersion; Sim. to ISO 62
Linear Mold Shrinkage, Flow 0.011 cm/cm0.011 in/inISO 294-4, 2577
Linear Mold Shrinkage, Transverse 0.011 cm/cm0.011 in/inISO 294-4, 2577
Melt Flow  3.6 g/10 min
@Load 2.16 kg,
Temperature 190 °C		3.6 g/10 min
@Load 4.76 lb,
Temperature 374 °F		cm³/10min Volumetric; ISO 1133
 4.0 g/10 min
@Load 2.16 kg,
Temperature 190 °C		4.0 g/10 min
@Load 4.76 lb,
Temperature 374 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 383815s; ISO 48-4
 <= 44<= 44ISO 48-4
Tensile Stress at Strain  5.90 MPa
@Strain 10 %		856 psi
@Strain 10 %		ISO 527-1/-2
 7.30 MPa
@Strain 50 %		1060 psi
@Strain 50 %		ISO 527-1/-2
Flexural Modulus 0.155 GPa22.5 ksiISO 178
Charpy Impact, Notched  0.500 J/cm²
@Temperature -40.0 °C		2.38 ft-lb/in²
@Temperature -40.0 °F		ISO 179/1eA
 0.700 J/cm²
@Temperature -30.0 °C		3.33 ft-lb/in²
@Temperature -22.0 °F		ISO 179/1eA
 4.00 J/cm²
@Temperature 23.0 °C		19.0 ft-lb/in²
@Temperature 73.4 °F		ISO 179/1eA
Tear Strength 60.0 kN/m342 plinormal; ISO 34-1
 70.0 kN/m399 pliparallel; ISO 34-1
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 6.8
@Frequency 100 Hz		6.8
@Frequency 100 Hz		IEC 62631-2-1
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 150 µm/m-°C83.3 µin/in-°FISO 11359-1/-2
CTE, linear, Transverse to Flow 170 µm/m-°C94.4 µin/in-°FISO 11359-1/-2
Melting Point 170 °C338 °F10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi) 46.0 °C115 °FISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 41.0 °C106 °FISO 75-1/-2
Brittleness Temperature -48.0 °C-54.4 °FISO 974
Flammability, UL94  V-2
@Thickness 0.800 mm		V-2
@Thickness 0.0315 in		IEC 60695-11-10
 V-0
@Thickness 1.50 mm		V-0
@Thickness 0.0591 in		IEC 60695-11-10
Flame Spread <= 80.0 mm/min
@Thickness 1.00 mm		<= 3.15 in/min
@Thickness 0.0394 in		ISO 3795 (FMVSS 302)
Oxygen Index 26 %26 %ISO 4589-1/-2
 
Processing PropertiesMetricEnglishComments
Melt Temperature 185 - 200 °C365 - 392 °FRange, Extrusion
 190 - 210 °C374 - 410 °FRange, Injection
 200 °C392 °FOptimum, Injection
Mold Temperature 30.0 - 40.0 °C86.0 - 104 °FInjection
 40.0 °C104 °FOptimum, Injection
Drying Temperature 80.0 °C176 °FExtrusion
 100 °C212 °FInjection
Dry Time 2.00 - 3.00 hour2.00 - 3.00 hourExtrusion, Dehumidified Dryer
 2.00 - 3.00 hour2.00 - 3.00 hourInjection, Dehumidified Dryer
Moisture Content <= 0.060 %<= 0.060 %Extrusion
 <= 0.080 %<= 0.080 %Injection
 
Descriptive Properties
AdditivesFlame retardant
Drying RecommendedyesInjection
Eff. thermal diffusivity (m²/s)5.44E-08
FMVSS ClassBISO 3795 (FMVSS 302)
Part Marking Code>TPC-ET-FR(17)<ISO 11469
PolymerTPC
Resin IdentificationTPC-ET-FR(17)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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