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Ensinger PEI

Gromax PBT 4140-201D 40% Glass Fiber Filled
Categories: Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 40% Glass Fiber Filled
Material Notes: Product Description: A glass fiber 40% reinforced injection molding grade.

Characteristics:

  • Excellent electrical property
  • Excellent temperature resistance, high heat distortion temperature
  • Excellent mechanic and chemical property
  • Excellent weatherability
  • Excellent wear property
  • Excellent moldability
  • High resistance to fuels, oil, fats and many solvents

    Information provided by Gromax Enterprises Corp.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.75 g/cc1.75 g/ccASTM D792
Moisture Absorption 0.0300 %
@Time 86400 sec		0.0300 %
@Time 24.0 hour		ASTM D570
Linear Mold Shrinkage  0.0010 - 0.0040 cm/cm
@Thickness 1.60 mm		0.0010 - 0.0040 in/in
@Thickness 0.0630 in		horizontal; ASTM D955
 0.0070 - 0.013 cm/cm
@Thickness 1.60 mm		0.0070 - 0.013 in/in
@Thickness 0.0630 in		vertical; ASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 9595ASTM D785
Tensile Strength 132 MPa19200 psiASTM D638
Elongation at Break 3.0 %3.0 %ASTM D638
Flexural Strength 180 MPa26100 psiASTM D790
Flexural Modulus 10.8 GPa1560 ksiASTM D790
Izod Impact, Notched >= 0.981 J/cm
@Thickness 6.35 mm		>= 1.84 ft-lb/in
@Thickness 0.250 in		ASTM D256
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+15 ohm-cm1.00e+15 ohm-cmASTM D257
Surface Resistance 1.00e+13 ohm1.00e+13 ohmASTM D257
Dielectric Constant 3.5
@Frequency 60 Hz		3.5
@Frequency 60 Hz		ASTM D150
Dielectric Strength 20.0 kV/mm
@Thickness 2.00 mm		508 kV/in
@Thickness 0.0787 in		ASTM D149
Dissipation Factor 0.0010
@Frequency 60 Hz		0.0010
@Frequency 60 Hz		ASTM D150
Arc Resistance 90 sec90 secASTM D495
 
Thermal PropertiesMetricEnglishComments
CTE, linear 30.0 µm/m-°C16.7 µin/in-°FASTM D696
Melting Point 225 °C437 °FDSC
Deflection Temperature at 0.46 MPa (66 psi) 210 °C410 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 190 °C374 °FASTM D648
Flammability, UL94 V-0
@Thickness 0.800 mm		V-0
@Thickness 0.0315 in
 
Processing PropertiesMetricEnglishComments
Processing Temperature 240 - 270 °C464 - 518 °F
Nozzle Temperature 260 - 270 °C500 - 518 °F
Mold Temperature 40.0 - 120 °C104 - 248 °Fsuitable temperature 60-80°C
Injection Pressure 50.0 - 120 MPa7250 - 17400 psi
Hold Pressure 30.0 - 80.0 MPa4350 - 11600 psi
Back Pressure 0.000 - 0.300 MPa0.000 - 43.5 psi
Screw Speed 60 - 120 rpm60 - 120 rpmto be chosen in such a way that plasticizing time is just within cooling time
 
Descriptive Properties
Injection Ratemiddle-fast

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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