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Rulon Bearings

SK Chemicals SKYPEL P137DW Productivity Grade  (discontinued **)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyester, TP

Material Notes: SKYPEL is a thermoplastic polyester elastomer (TPEE). It is a polymer resin having the property somewhere between plastics and rubber, which have various properties ranging from high hardness plastics to low hardness rubber. It is a kind of thermoplastic elastomer, which can be molded with general plastic mold by plasticizing at high temperature.

Information provided by SK Chemicals

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.10 g/cc1.10 g/ccASTM D792
Water Absorption 2.4 %2.4 %24 hour; ASTM D570
Linear Mold Shrinkage 0.015 cm/cm0.015 in/inASTM D955
Melt Flow 24 g/10 min
@Load 2.16 kg,
Temperature 230 °C
24 g/10 min
@Load 4.76 lb,
Temperature 446 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 3737ASTM D2240
Tensile Strength, Ultimate 15.7 MPa2280 psiASTM D638
Tensile Stress at Strain  1.96 MPa
@Strain 5.0 %
284 psi
@Strain 5.0 %
ASTM D638
 3.92 MPa
@Strain 10 %
569 psi
@Strain 10 %
ASTM D638
Elongation at Break 390 %390 %ASTM D638
Flexural Modulus 0.0539 GPa7.82 ksiASTM D790
Resilience 6464ASTM D2632
Izod Impact, Notched 3.24 J/cm6.06 ft-lb/inASTM D256
Tear Strength 70.0 kN/m399 pliASTM D1004
 
Thermal PropertiesMetricEnglishComments
Melting Point 202 °C396 °FASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 61.0 °C142 °FASTM D648

**
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