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Star Plastics PC721HFR Molding Grade PC High Flow with Release

Category Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, Molded
Manufacturer Star Plastics, Inc
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Star Plastics PC721HFR Molding Grade PC High Flow with Release.pdf
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Material Notes:
Information provided by Star Plastics, Inc.
Physical Properties Metric English Comments
Specific Gravity 1.20 g/cc
1.20 g/cc
ASTM D792
Maximum Moisture Content 0.020
0.020
Linear Mold Shrinkage 0.0050 - 0.0070 cm/cm
0.0050 - 0.0070 in/in
ASTM D955
Melt Flow 25 g/10 min

@Load 1.20 kg,
Temperature 300 °C
 25 g/10 min

@Load 2.65 lb,
Temperature 572 °F
 ASTM D1238
Mechanical Properties Metric English Comments
Tensile Strength, Yield 60.0 MPa
8700 psi
ASTM D638
Tensile Modulus 2.38 GPa
345 ksi
ASTM D638
Flexural Yield Strength 89.6 MPa
13000 psi
ASTM D790
Flexural Modulus 2.38 GPa
345 ksi
ASTM D790
Izod Impact, Notched 6.94 J/cm
13.0 ft-lb/in
73°F, 0.125 in.; ASTM D256
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 127 °C
260 °F
unannealed, .125in; ASTM D648
Flammability, UL94 V-2
V-2
.062in
Processing Properties Metric English Comments
Rear Barrel Temperature 246 - 274 °C
475 - 525 °F
Middle Barrel Temperature 260 - 288 °C
500 - 550 °F
Front Barrel Temperature 274 - 302 °C
525 - 575 °F
Nozzle Temperature 274 - 302 °C
525 - 575 °F
Melt Temperature 274 - 302 °C
525 - 575 °F
Mold Temperature 71.1 - 98.9 °C
160 - 210 °F
Drying Temperature 121 °C
250 °F
Dry Time 4 hour
4 hour
Back Pressure 0.345 - 1.38 MPa
50.0 - 200 psi
Screw Speed 40 - 100 rpm
40 - 100 rpm
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