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GEHR Plastics PC Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC)

Material Notes: Polycarbonate shows a high rigidity and an extreme impact strength. Also it has a high glass transition temperature and temperature resistance. The operating temperature ranges from -60°C to approximately 120°C.

Properties

  • extremely high impact strength
  • high mechanical strength
  • high dimensional stability
  • high temperature resistance
  • good insulating properties
  • high resistance to radiation
  • medium chemical resistance
  • notch-sensitive and susceptible to stress crack formation
  • hydrolysis-sensitive

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.20 g/cc1.20 g/ccISO 1183
Moisture Absorption at Equilibrium 0.15 %0.15 %ISO 62
Water Absorption at Saturation 0.40 %0.40 %ISO 62
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 8585ISO 868
Ball Indentation Hardness 128 MPa18600 psiISO 2039
Tensile Strength, Yield 75.0 MPa10900 psiISO 527
Elongation at Break 75 %75 %ISO 527
Elongation at Yield 3.0 %3.0 %ISO 527
Modulus of Elasticity 2.37 GPa344 ksiISO 527
Charpy Impact Unnotched NBNBISO 179
Charpy Impact, Notched 0.900 J/cm²4.28 ft-lb/in²ISO 179
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 3.00e+13 ohm-cm3.00e+13 ohm-cmIEC 60093
Surface Resistance >= 1.00e+13 ohm>= 1.00e+13 ohmIEC 60093
Dielectric Constant 3.0
@Frequency 1e+6 Hz
3.0
@Frequency 1e+6 Hz
IEC 60250
Dielectric Strength 27.0 kV/mm686 kV/inIEC 60243-1
Dielectric Loss Index 0.0060
@Frequency 1e+6 Hz
0.0060
@Frequency 1e+6 Hz
IEC 60250
 
Thermal PropertiesMetricEnglishComments
CTE, linear 70.0 µm/m-°C38.9 µin/in-°FISO 11359
Thermal Conductivity 0.210 W/m-K
@Temperature 20.0 °C
1.46 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
ISO 22007-4
Melting Point 150 °C302 °FDIN EN ISO 3146
Maximum Service Temperature, Air 120 °C248 °FUL 746B
Deflection Temperature at 0.46 MPa (66 psi) 140 °C284 °FISO 75
Deflection Temperature at 1.8 MPa (264 psi) 135 °C275 °FISO 75
Minimum Service Temperature, Air -60.0 °C-76.0 °FUL 746B
Glass Transition Temp, Tg 150 °C302 °FDIN EN ISO 3146
Flammability, UL94 HBHBUL 94
Oxygen Index 25 %25 %ASTM D2863
 
Optical PropertiesMetricEnglishComments
Transmission, Visible 90 %90 %"transparent" but not quantified
 
Compliance PropertiesMetricEnglishComments
FDA YesYesPhysiological indifference
 
Descriptive Properties
Acid Resistanceyes
Aromatic Resistanceno
Bondabilityyes
CKW Resistanceno
Colortransparent
Hydrocarbonate Resistancelimited
Hydroxide Resistanceno
Ketone Resistancelimited
Physiological indifferenceyes, EEC
Resistance Against Hot Waterlimited
UV Stabilizationno

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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