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Rulon Bearings

Polyram RamSter PF713 PBT, UV Stabilized
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), Unreinforced, Molded

Material Notes: UV stabilized, medium viscosity PBT for injection molding applications

Information provided by Polyram Ram On Ind.

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Physical PropertiesMetricEnglishComments
Density 1.30 g/cc0.0470 lb/in³DIN 53479
Water Absorption 0.60 %0.60 %DIN 53495
Moisture Absorption at Equilibrium 0.20 %0.20 %23° C, 50% RH; DIN 53714
Linear Mold Shrinkage 0.021 cm/cm0.021 in/in
Melt Flow 30 g/10 min
@Load 2.16 kg,
Temperature 250 °C
30 g/10 min
@Load 4.76 lb,
Temperature 482 °F
ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 57.0 MPa8270 psiASTM-D638
Elongation at Break 30 %30 %ASTM-D638
Flexural Strength 90.0 MPa13100 psiASTM D790
Flexural Modulus 2.30 GPa334 ksiASTM-D790
Izod Impact, Notched 0.400 J/cm
@Temperature 23.0 °C
0.749 ft-lb/in
@Temperature 73.4 °F
ASTM-D256
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+16 ohm-cm>= 1.00e+16 ohm-cmDIN 53482
Dielectric Constant 3.2
@Frequency 1e+6 Hz
3.2
@Frequency 1e+6 Hz
VDE 0303/4
Dielectric Strength 30.0 kV/mm762 kV/inVDE 0303/4
 
Thermal PropertiesMetricEnglishComments
Melting Point 225 °C437 °F
Deflection Temperature at 0.46 MPa (66 psi) 160 °C320 °FDIN 53461
Deflection Temperature at 1.8 MPa (264 psi) 60.0 °C140 °FDIN 53461
Flammability, UL94 HB
@Thickness 3.00 mm
HB
@Thickness 0.118 in
Glow Wire Test 750 °C1380 °F

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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