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Ensinger PEI

MRC Polymers NAXALOY™ 770A2 750 PC/ABS Blend. EZ Flow, Heat Resistance  (discontinued **)
Categories: Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Unreinforced; Polycarbonate (PC)
Material Notes: PC/ABS Blend. Economy Grade, EZ Flow, Heat Resistance, Toughness, Rigidity

Mechanical properties measured on 1/8 in. (3.2 mm) samples.
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Physical PropertiesMetricEnglishComments
Density 1.13 g/cc0.0408 lb/in³ASTM D792
Water Absorption 0.15 %0.15 %24 hours, ASTM D570
Linear Mold Shrinkage 0.0050 - 0.0070 cm/cm
@Thickness 3.17 mm		0.0050 - 0.0070 in/in
@Thickness 0.125 in		ASTM D955
Melt Flow 4.0 g/10 min
@Load 3.80 kg,
Temperature 230 °C		4.0 g/10 min
@Load 8.38 lb,
Temperature 446 °F		ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 115115ASTM D785
Tensile Strength, Yield 55.0 MPa7980 psiASTM D638
Elongation at Break 30 %30 %ASTM D638
Flexural Yield Strength 86.0 MPa12500 psiASTM D790
Flexural Modulus 2.345 GPa340.1 ksiASTM D790
Izod Impact, Notched 4.81 J/cm9.01 ft-lb/inASTM D256
Impact Test 52.0 J
@Temperature -23.3 °C		38.4 ft-lb
@Temperature -10.0 °F		Instrumented dart impact; Ductile break; ASTM D3763
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 1.8 MPa (264 psi) 110 °C230 °FASTM D648
 
Processing PropertiesMetricEnglishComments
Processing Temperature 260 - 282 °C500 - 540 °F
Rear Barrel Temperature 249 - 271 °C480 - 520 °F
Middle Barrel Temperature 260 - 277 °C500 - 531 °F
Front Barrel Temperature 271 - 282 °C520 - 540 °F
Nozzle Temperature 260 - 282 °C500 - 540 °F
Mold Temperature 49.0 - 82.0 °C120 - 180 °F
Drying Temperature 110 °C230 °F
Dry Time 4 hour4 hour
Moisture Content <= 0.020 %<= 0.020 %
Dew Point <= -17.8 °C<= 0.000 °F
Drying Air Flow Rate 22.7 - 28.3 l/min0.800 - 1.00 ft³/min (CFM)per lb/hour resin processed
Injection Pressure 68.9 - 138 MPa10000 - 20000 psi
Back Pressure 0.345 - 0.689 MPa50.0 - 100 psi
Cushion 0.330 - 0.635 cm0.130 - 0.250 in
Screw Speed 40 - 70 rpm40 - 70 rpm
 
Descriptive Properties
Fill RateSlow - Moderate
Hold Pressure40 - 60% of injection pressure
Packing Pressure50 - 75% of injection pressure

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PMRC950 / 20989

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