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Rulon Bearings

Inchem Phenoxy PKFE
Categories: Polymer; Thermoplastic

Material Notes: Phenoxy PKFE - polyhydroxy ether of Bisphenol A. Originally developed by Union Carbide. Produced by InChem Corporation.

Key Words: Phenoxy PKFE, polyhydroxy ether of Bisphenol A
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Physical PropertiesMetricEnglishComments
Density 1.18 g/cc0.0426 lb/in³ASTM D792
Water Absorption 0.13 %0.13 %ASTM D570
Moisture Absorption at Equilibrium 1.5 %1.5 %
Moisture Vapor Transmission 1.38 cc-mm/m²-24hr-atm3.51 cc-mil/100 in²-24hr-atm
Oxygen Transmission 2.28 cc-mm/m²-24hr-atm5.79 cc-mil/100 in²-24hr-atm
Linear Mold Shrinkage 0.0030 - 0.0040 cm/cm0.0030 - 0.0040 in/in
Melt Flow 2.0 g/10 min
@Load 2.16 kg,
Temperature 190 °C
2.0 g/10 min
@Load 4.76 lb,
Temperature 374 °F
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 123123
Hardness, Shore D 7575
Tensile Strength, Ultimate 65.5 MPa9500 psi
Tensile Strength, Yield 62.1 MPa9010 psi
Elongation at Break 90 %90 %
Elongation at Yield 3.5 %3.5 %
Modulus of Elasticity 2.62 GPa380 ksi
Flexural Yield Strength 96.6 MPa14000 psi
Flexural Modulus 2.83 GPa410 ksi
Compressive Yield Strength 82.8 MPa12000 psi
Compressive Modulus 2.24 GPa325 ksi
Poissons Ratio 0.380.38
Shear Modulus 0.949 GPa138 ksiCalculated
Izod Impact, Notched 1.31 J/cm2.45 ft-lb/inASTM D256
Izod Impact, Unnotched NBNB
Charpy Impact Unnotched NBNB
 NBNBLow Temp
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 3.83.8
 4.14.1
Dielectric Strength 20.5 kV/mm521 kV/in
Dissipation Factor 0.00120.0012
 0.0300.030
 
Thermal PropertiesMetricEnglishComments
CTE, linear 57.6 µm/m-°C
@Temperature -30.0 - 100 °C
32.0 µin/in-°F
@Temperature -22.0 - 212 °F
Deflection Temperature at 0.46 MPa (66 psi) 91.0 °C196 °F
Deflection Temperature at 1.8 MPa (264 psi) 87.0 °C189 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.601.60
 
Processing PropertiesMetricEnglishComments
Processing Temperature 230 °C446 °F
Rear Barrel Temperature 190 °C374 °F
Middle Barrel Temperature 210 °C410 °F
Front Barrel Temperature 230 °C446 °F
Nozzle Temperature 230 °C446 °F
Mold Temperature 50.0 °C122 °F
Drying Temperature 70.0 °C158 °F

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