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MRC Polymers NAXALOYâ„¢ 780 PC+PBT Polyester Blend

Category Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate/Polybutylene Terephthalate (PBT) Blend, Unreinforced , Polyester, TP , Polybutylene Terephthalate (PBT)
Manufacturer MRC Polymers
Trade Name NAXALOY™
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF MRC Polymers NAXALOYâ„¢ 780 PC+PBT Polyester Blend.pdf
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Material Notes:
Good chemical resistance, impact and heat resistance.Information provided by MRC Polymers Inc.
Physical Properties Metric English Comments
Specific Gravity 1.20 g/cc
1.20 g/cc
solid; ASTM D792
Water Absorption 0.12 - 0.16 %

@Temperature 22.8 °C,
Time 86400 sec
0.12 - 0.16 %

@Temperature 73.0 °F,
Time 24.0 hour
ASTM D570
Linear Mold Shrinkage 0.0060 - 0.0090 cm/cm
0.0060 - 0.0090 in/in
ASTM D955
Mechanical Properties Metric English Comments
Tensile Strength, Yield 58.6 MPa
8500 psi
ASTM D638
Flexural Strength 86.2 MPa
12500 psi
ASTM D790
Flexural Modulus 2.34 GPa
340 ksi
ASTM D790
Izod Impact, Notched 6.94 J/cm
13.0 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) 107 °C
225 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 100 °C
212 °F
ASTM D648
Processing Properties Metric English Comments
Rear Barrel Temperature 238 - 249 °C
460 - 480 °F
Middle Barrel Temperature 243 - 254 °C
470 - 490 °F
Front Barrel Temperature 254 - 266 °C
490 - 510 °F
Nozzle Temperature 254 - 271 °C
490 - 520 °F
Melt Temperature 249 - 271 °C
480 - 520 °F
Mold Temperature 60.0 - 93.3 °C
140 - 200 °F
Drying Temperature 107 - 113 °C
225 - 235 °F
Dry Time 4 - 6 hour
4 - 6 hour
Moisture Content <= 0.020 %
<= 0.020 %
Dew Point <= -17.8 °C
<= 0.000 °F
Drying Air Flow Rate 22.7 - 28.3 l/min
0.800 - 1.00 ft³/min (CFM)
per lb/hour resin processed
Injection Pressure 34.5 - 172 MPa
5000 - 25000 psi
Back Pressure 0.000 - 0.517 MPa
0.000 - 75.0 psi
Shot Size 50 - 80 %
50 - 80 %
Vent Depth 0.00127 - 0.00203 cm
0.000500 - 0.000800 in
Cushion 0.635 cm
0.250 in
Screw Speed 50 - 80 rpm
50 - 80 rpm
Descriptive Properties Value Comments
Fill Rate Moderate to Fast
Hold Pressure 40-60% of injection pressure
Packing Pressure 50-75% of injection pressure
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