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Star Plastics PC/PBT7820 Molding Grade PC/PBT

Category Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate/Polybutylene Terephthalate (PBT) Blend, Unreinforced , Polyester, TP , Polybutylene Terephthalate (PBT)
Manufacturer Star Plastics, Inc
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Star Plastics PC/PBT7820 Molding Grade PC/PBT.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 0.0080 - 0.011 cm/cm
0.0080 - 0.011 in/in
ASTM D955
Melt Flow 10 g/10 min

@Load 3.80 kg,
Temperature 230 °C
10 g/10 min

@Load 8.38 lb,
Temperature 446 °F
ASTM D1238
Mechanical Properties Metric English Comments
Tensile Strength, Yield 51.7 MPa
7500 psi
ASTM D638
Tensile Modulus 1.93 GPa
280 ksi
ASTM D638
Flexural Yield Strength 82.7 MPa
12000 psi
ASTM D790
Flexural Modulus 2.03 GPa
295 ksi
ASTM D790
Izod Impact, Notched 6.67 J/cm
12.5 ft-lb/in
73°F, 0.125 in.; ASTM D256
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 98.9 °C
210 °F
unannealed, .125in; ASTM D648
Processing Properties Metric English Comments
Rear Barrel Temperature 243 - 271 °C
470 - 520 °F
Middle Barrel Temperature 249 - 277 °C
480 - 530 °F
Front Barrel Temperature 257 - 282 °C
495 - 540 °F
Nozzle Temperature 254 - 274 °C
490 - 525 °F
Melt Temperature 260 - 279 °C
500 - 535 °F
Mold Temperature 65.6 °C
150 °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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