MRC Polymers NAXALOY™ 780 GF11 PC+PBT Polyester Blend, 11% Glass Fiber Filled

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MRC Polymers NAXALOY™ 780 GF11 PC+PBT Polyester Blend, 11% Glass Fiber Filled
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate/Polybutylene Terephthalate (PBT) Blend, Glass Filled; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	Good chemical resistance, impact and heat resistance Available in Black Only Can be UV Stabilized Internal and external lubricant can be added. Information provided by MRC Polymers Inc.
Key Words:	PC, PBT
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Physical Properties	Metric	English	Comments

Specific Gravity	1.27 g/cc	1.27 g/cc	ASTM D792
Linear Mold Shrinkage	0.0040 - 0.0060 cm/cm	0.0040 - 0.0060 in/in	ASTM D955
Melt Flow	18 g/10 min @Load 5.00 kg, Temperature 250 °C	18 g/10 min @Load 11.0 lb, Temperature 482 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	77.98 MPa	11310 psi	ISO 527
Flexural Strength	116.97 MPa	16965 psi	ISO 178
Flexural Modulus	3.7490 GPa	543.75 ksi	ISO 178
Izod Impact, Notched (ISO)	8.00 kJ/m²	3.81 ft-lb/in²	ISO 180

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	108 °C	226 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	98.9 °C	210 °F	ASTM D648

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	240 - 270 °C	464 - 518 °F
Middle Barrel Temperature	245 - 275 °C	473 - 527 °F
Front Barrel Temperature	250 - 280 °C	482 - 536 °F
Nozzle Temperature	245 - 275 °C	473 - 527 °F
Melt Temperature	255 - 275 °C	491 - 527 °F
Mold Temperature	62.8 - 92.8 °C	145 - 199 °F
Drying Temperature	107 - 113 °C	225 - 235 °F
Dry Time	3 - 4 hour	3 - 4 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
Fill Rate	Moderate to Fast
Hold Pressure	40-60% of injection pressure
Packing Pressure	50-75% of injection pressure

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.

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PMRC022 / 89451

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