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Rulon Bearings

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Kingfa JH720 G20 20% Glass Fiber Reinforced PC
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, 20% Glass Filled
Material Notes:
    Features:
  • High mechanical strength
  • Good size stability
  • Low tendency to warp
  • Good surface
  • Suitable for exact molding

    Applications:
  • Imaging equipment shell
  • OA body frame
  • Electrical equipment
  • Computer plug parts
  • CD-ROM, DVD

Information Provided by Kingfa Sci. & Tech. Co., Ltd.
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 PropertiesOriginal ValueComments
Specific Gravity 1.33 g/cc
@Temperature 23.0 °C		ASTM D792
Filler Content 20 %Glass Fiber
Linear Mold Shrinkage 0.0030 - 0.0040 cm/cm
@Temperature 23.0 °C		ASTM D955
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 84ASTM D785
Tensile Strength at Break 97.0 MPa10mm/min; ASTM D638
Elongation at Break 9.0 %10mm/min; ASTM D638
Flexural Strength 140 MPa2mm/min; ASTM D790
Flexural Modulus 6200 MPa2mm/min; ASTM D790
Izod Impact, Notched 135 J/m
@Thickness 3.20 mm,
Temperature 23.0 °C		ASTM D256
Izod Impact, Unnotched 5.80 J/cm
@Thickness 3.20 mm,
Temperature 23.0 °C		ASTM D256
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+16 ohm-cmASTM D257
Surface Resistance 1.00e+15 ohmASTM D257
Dielectric Strength 22.0 kV/mm1.6mm; ASTM D149
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 0.46 MPa (66 psi) 142 °C
@Thickness 6.40 mm		ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 138 °C
@Thickness 6.40 mm		ASTM D648
Flammability, UL94 HB
@Thickness 1.60 mm
 HB
@Thickness 3.00 mm
 
Processing PropertiesOriginal ValueComments
Processing Temperature <= 295 °C
Rear Barrel Temperature 240 - 270 °CStart Point: 260°C
Middle Barrel Temperature 250 - 280 °CStart Point: 265°C
Front Barrel Temperature 260 - 290 °CStart Point: 275°C
Melt Temperature 250 - 280 °CStart Point: 260°C
Mold Temperature 80.0 - 130 °CStart Point: 90°C
Drying Temperature 110 - 120 °C
@Time 10800 - 14400 sec		Pre-dry
Back Pressure 0.300 - 1.00 MPa
 
Descriptive Properties
Injection Speed60-90%

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 go back to viewing the property data in MatWeb's normal format.

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