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Master Bond adhesives

Star Plastics Star Prime™ PC721R Molding Grade Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Unreinforced, Flame Retardant
Material Notes: Molding Grade PC, w/ Release. Polycarbonate (PC), “STAR PRIME”, Furnished as Pellets. May be used to produce molded or extruded articles or as a component of other industrial products.

Information provided by Star Plastics.
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 1.20 g/cc1.20 g/ccASTM D792
Linear Mold Shrinkage 0.0050 - 0.0070 cm/cm0.0050 - 0.0070 in/inASTM D955
Melt Flow 16 g/10 min
@Load 1.20 kg,
Temperature 300 °C		16 g/10 min
@Load 2.65 lb,
Temperature 572 °F		ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 60.0 MPa8700 psiASTM D638
Tensile Modulus 2.38 GPa345 ksiASTM D638
Flexural Yield Strength 89.6 MPa13000 psiASTM D790
Flexural Modulus 2.38 GPa345 ksiASTM D790
Izod Impact, Notched 7.47 J/cm
@Thickness 3.17 mm,
Temperature 22.8 °C		14.0 ft-lb/in
@Thickness 0.125 in,
Temperature 73.0 °F		ASTM D256
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 1.8 MPa (264 psi) 127 °C
@Thickness 3.17 mm		260 °F
@Thickness 0.125 in		ASTM D648
Flammability, UL94  V-2
@Thickness 3.00 mm		V-2
@Thickness 0.118 in
 V-2
@Thickness 1.50 mm		V-2
@Thickness 0.0591 in
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 246 - 274 °C475 - 525 °F
Middle Barrel Temperature 260 - 288 °C500 - 550 °F
Front Barrel Temperature 274 - 302 °C525 - 575 °F
Nozzle Temperature 274 - 302 °C525 - 575 °F
Melt Temperature 274 - 302 °C525 - 575 °F
Mold Temperature 71.1 - 98.9 °C160 - 210 °F
Drying Temperature 121 °C
@Time 14400 sec		250 °F
@Time 4.00 hour
Moisture Content <= 0.020 %<= 0.020 %
Back Pressure 0.345 - 1.38 MPa50.0 - 200 psi
Screw Speed 40 - 100 rpm40 - 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.

PSTARP9890 / 255076




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