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Rulon Bearings

BLUESTAR PBT 403M-G20 20% Glass Filled
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled
Material Notes: PBT, injection molding grade, 20% glass fiber reinforced, flame retardant, exceptional flowability and processability, colorable.
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.52 - 1.58 g/cc1.52 - 1.58 g/ccASTM D792
Moisture Absorption at Equilibrium 0.17 %0.17 %50% RH; ASTM D570
Linear Mold Shrinkage, Transverse 0.0070 cm/cm0.0070 in/inASTM D955
Melt Flow 25 g/10 min
@Load 2.16 kg,
Temperature 250 °C		25 g/10 min
@Load 4.76 lb,
Temperature 482 °F		ASTM D1238
Ash 20 - 24 %20 - 24 %ISO 3451
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 85.0 MPa12300 psi10mm/min; ASTM D638
Elongation at Break 1.8 %1.8 %10mm/min; ASTM D638
Flexural Strength 135 MPa19600 psi10mm/min; ASTM D790
Flexural Modulus 6.80 GPa986 ksi10mm/min; ASTM D790
Izod Impact, Notched (ISO) 5.50 kJ/m²2.62 ft-lb/in²ASTM D256
Izod Impact, Unnotched (ISO) 48.0 kJ/m²22.8 ft-lb/in²ASTM D256
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmASTM D257
Dielectric Constant 3.4
@Frequency 50 Hz		3.4
@Frequency 50 Hz		ASTM D150
Dielectric Strength 18.0 kV/mm457 kV/inin oil; ASTM D149
Dissipation Factor 0.020
@Frequency 50.0 - 60.0 Hz		0.020
@Frequency 50.0 - 60.0 Hz		ASTM D150
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 0.46 MPa (66 psi) 220 °C428 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 195 °C
@Thickness 3.20 mm		383 °F
@Thickness 0.126 in		Unannealed; ASTM D648
Flammability, UL94 V-0
@Thickness 0.800 mm		V-0
@Thickness 0.0315 in
Glow Wire Ignition Temperature 750 °C1380 °F
 
Processing PropertiesMetricEnglishComments
Nozzle Temperature 240 °C464 °F
Melt Temperature 250 - 280 °C482 - 536 °F
Mold Temperature 60.0 - 80.0 °C140 - 176 °F
Drying Temperature 120 - 140 °C248 - 284 °F
Dry Time 3 - 4 hour3 - 4 hour
Injection Pressure 70.0 - 120 MPa10200 - 17400 psi
Back Pressure 6.00 - 18.0 MPa870 - 2610 psi
Screw Speed <= 100 rpm<= 100 rpm

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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