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Star Plastics PC741 Molding Grade PC

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 PC741 Molding Grade PC.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 11 g/10 min

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

@Load 2.65 lb,
Temperature 572 °F
 ASTM D1238
Mechanical Properties Metric English Comments
Tensile Strength, Yield 62.1 MPa
9000 psi
ASTM D638
Tensile Modulus 2.41 GPa
350 ksi
ASTM D638
Flexural Yield Strength 89.6 MPa
13000 psi
ASTM D790
Flexural Modulus 2.41 GPa
350 ksi
ASTM D790
Izod Impact, Notched 8.01 J/cm
15.0 ft-lb/in
73°F, 0.125 in.; ASTM D256
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 129 °C
265 °F
unannealed, .125in; ASTM D648
Flammability, UL94 HB
HB
.045in
V-2
V-2
.062in
Processing Properties Metric English Comments
Rear Barrel Temperature 271 - 288 °C
520 - 550 °F
Middle Barrel Temperature 277 - 299 °C
530 - 570 °F
Front Barrel Temperature 288 - 316 °C
550 - 600 °F
Nozzle Temperature 288 - 316 °C
550 - 600 °F
Melt Temperature 288 - 316 °C
550 - 600 °F
Mold Temperature 76.7 - 104 °C
170 - 220 °F
Drying Temperature 121 °C
250 °F
Dry Time 4 hour
4 hour
Back Pressure 0.345 - 0.689 MPa
50.0 - 100 psi
Screw Speed 40 - 75 rpm
40 - 75 rpm
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