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Rulon Bearings

Conventus Polymers Duraflex COPE82D Copolyester Elastomer
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE
Material Notes: Duraflex COPE82D is a High Performance Copolyester Elastomer with a 82 Shore D hardness. It maintains outstanding mechanical strength and flexibility even at low temperatures. This product has outstanding weatherability, chemical resistance, and heat resistance. It is an excellent solution for applications that require performance beyond what olefinic elastomers can provide.

Information provided by Conventus Polymers
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.28 g/cc1.28 g/ccASTM D792
Water Absorption 0.30 %0.30 %ISO 62
Linear Mold Shrinkage, Flow 0.013 - 0.016 cm/cm0.013 - 0.016 in/inISO 294-4
Melt Flow 16 g/10 min
@Load 2.16 kg,
Temperature 240 °C		16 g/10 min
@Load 4.76 lb,
Temperature 464 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 82
@Time 15.0 sec		82
@Time 0.00417 hour		ISO 868
Tensile Strength at Break 37.0 MPa5370 psi50mm/min
 50.0 MPa7250 psiASTM D638
Tensile Strength, Yield 35.0 MPa5080 psiASTM D638
Elongation at Break 310 %310 %50mm/min; ISO 527-2/1A
 350 %350 %ASTM D638
Flexural Modulus 1.10 GPa160 ksiASTM D790
Resilience 5858Bayshore
Flex Crack Resistance >= 1.00e+6>= 1.00e+6Ross Flex
Izod Impact, Notched  0.294 J/cm
@Thickness 6.40 mm,
Temperature -40.0 °C		0.551 ft-lb/in
@Thickness 0.252 in,
Temperature -40.0 °F
 0.490 J/cm
@Thickness 6.40 mm,
Temperature 23.0 °C		0.918 ft-lb/in
@Thickness 0.252 in,
Temperature 73.4 °F
 
Thermal PropertiesMetricEnglishComments
Melting Point 220 °C428 °FISO 11357-1,-2,-3
Flammability, UL94 HB
@Thickness 1.50 mm		HB
@Thickness 0.0591 in
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 210 - 229 °C410 - 445 °F
Middle Barrel Temperature 216 - 241 °C420 - 465 °F
Front Barrel Temperature 216 - 241 °C420 - 465 °F
Nozzle Temperature 216 - 246 °C420 - 475 °F
Melt Temperature 224 - 249 °C435 - 480 °F
Mold Temperature 21.1 - 48.9 °C70.0 - 120 °F
Drying Temperature 98.9 °C
@Time 7200 - 10800 sec		210 °F
@Time 2.00 - 3.00 hour

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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