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Rulon Bearings

Toyobo PELPRENE™ P55B Polyester TPE
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyester TPE; Polyester, TP; Polyester Thermoplastic Elastomer

Material Notes: Features: Polyester TPE

Information provided by Toyobo.

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Physical PropertiesMetricEnglishComments
Density 1.15 g/cc0.0415 lb/in³ASTM D792
Moisture Absorption at Equilibrium 0.45 %0.45 %23°C, 65% RH
Linear Mold Shrinkage 0.0070 cm/cm
@Thickness 2.00 mm
0.0070 in/in
@Thickness 0.0787 in
Melt Index of Compound 22 g/10 min
@Temperature 230 °C
22 g/10 min
@Temperature 446 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 9494JIS K6301
Hardness, Shore D 4444ASTM D2240
Tensile Strength at Break 29.0 MPa4210 psiASTM D638
Elongation at Break 700 %700 %ASTM D638
50% Modulus 9.80 MPa
@Strain 50 %
9.80 MPa
@Strain 50 %
ASTM D638
Flexural Modulus 0.0760 GPa11.0 ksiASTM D790
Compressive Modulus 0.00760 GPa1.10 ksi10%; ASTM D695
Resilience 7474JIS K6301
Izod Impact, Notched NBNBASTM D256
Tear Strength 113 kN/m645 pliASTM D624
Taber Abrasion, mg/1000 Cycles 1515ASTM D1044
Compression Set 53 %53 %JIS K6301
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 9.00e+12 ohm-cm9.00e+12 ohm-cmASTM D257
Dielectric Strength 22.0 kV/mm559 kV/inJIS K2111
 
Thermal PropertiesMetricEnglishComments
CTE, linear 170 µm/m-°C
@Temperature 20.0 °C
94.4 µin/in-°F
@Temperature 68.0 °F
TMA
Melting Point 182 °C360 °FBy DSC
Vicat Softening Point 155 °C311 °FASTM D1525
Brittleness Temperature <= -65.0 °C<= -85.0 °FJIS K6301
Flammability, UL94 HBHB

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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