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Rulon Bearings

Beijing Chemical Industry KAIFA® 201-G30 PBT Resin
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Material Notes: 30% glass fiber reinforced

Information provided by Beijing Chemical Industry Research Institute (Group)
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Physical PropertiesMetricEnglishComments
Density 1.55 g/cc0.0560 lb/in³ASTM D792
Water Absorption 0.090 %0.090 %24 hr; ASTM D570
Linear Mold Shrinkage 0.0040 - 0.0080 cm/cm0.0040 - 0.0080 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 115 MPa16700 psiASTM D638
Elongation at Break 4.0 %4.0 %ASTM D638
Flexural Strength 180 MPa26100 psiASTM D790
Flexural Modulus 8.00 GPa1160 ksiASTM D790
Izod Impact, Notched 0.800 J/cm
@Thickness 3.20 mm		1.50 ft-lb/in
@Thickness 0.126 in		ASTM D256
Charpy Impact Unnotched 4.00 J/cm²19.0 ft-lb/in²ISO179
Charpy Impact, Notched 0.900 J/cm²4.28 ft-lb/in²ISO179
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmASTM D257
Dielectric Constant 3.0
@Frequency 1e+6 Hz		3.0
@Frequency 1e+6 Hz		ASTM D150
Dielectric Strength 21.0 kV/mm
@Thickness 2.00 mm		533 kV/in
@Thickness 0.0787 in		ASTM D149
Dissipation Factor 0.025
@Frequency 1e+6 Hz		0.025
@Frequency 1e+6 Hz		ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 25.0 µm/m-°C
@Temperature -30.0 - 30.0 °C		13.9 µin/in-°F
@Temperature -22.0 - 86.0 °F		ASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 205 °C401 °FASTM D648
Flammability, UL94 HB
@Thickness 3.20 mm		HB
@Thickness 0.126 in
 
Processing PropertiesMetricEnglishComments
Middle Barrel Temperature 225 - 255 °C437 - 491 °F
Nozzle Temperature 245 °C473 °F
Mold Temperature 40.0 - 80.0 °C104 - 176 °F
Injection Pressure 80.0 - 120 MPa11600 - 17400 psi
Back Pressure 8.00 - 18.0 MPa1160 - 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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