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Elmet Technologies

MRC Polymers NAXELL™ PC23M-20G General Purpose Low Viscosity Polycarbonate 20% Glass Fiber Reinforced  (discontinued **)
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Glass Fiber Filled, Flame Retardant

Material Notes: General Purpose Low Viscosity Polycarbonate 20% Glass Fiber Reinforced

Mechanical properties measured on 1/8 in. (3.2 mm) samples.

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Physical PropertiesMetricEnglishComments
Density 1.35 g/cc0.0488 lb/in³ASTM D792
Linear Mold Shrinkage, Flow 0.0010 - 0.0030 cm/cm
@Thickness 3.17 mm
0.0010 - 0.0030 in/in
@Thickness 0.125 in
ASTM D955
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Yield 96.0 MPa13900 psiASTM D638
Elongation at Break 3.0 %3.0 %ASTM D638
Flexural Yield Strength 131 MPa19000 psiASTM D790
Flexural Modulus 4.651 GPa674.6 ksiASTM D790
Izod Impact, Notched 1.068 J/cm2.001 ft-lb/inASTM D256
 
Thermal PropertiesMetricEnglishComments
CTE, linear 27.0 µm/m-°C
@Temperature -40.0 - 35.0 °C
15.0 µin/in-°F
@Temperature -40.0 - 95.0 °F
Deflection Temperature at 0.46 MPa (66 psi) 144 °C291 °FUnannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 139 °C282 °FUnannealed; ASTM D648
Flammability, UL94  V-2
@Thickness 1.47 mm
V-2
@Thickness 0.0579 in
MRC Rating
 V-2
@Thickness 1.47 mm
V-2
@Thickness 0.0579 in
MRC Rating
 V-1
@Thickness 3.20 mm
V-1
@Thickness 0.126 in
MRC Rating
 V-1
@Thickness 3.20 mm
V-1
@Thickness 0.126 in
MRC Rating
 
Processing PropertiesMetricEnglishComments
Processing Temperature 271 - 282 °C520 - 540 °F
Rear Barrel Temperature 249 - 271 °C480 - 520 °F
Middle Barrel Temperature 260 - 282 °C500 - 540 °F
Front Barrel Temperature 271 - 293 °C520 - 559 °F
Nozzle Temperature 271 - 293 °C520 - 559 °F
Mold Temperature 66.0 - 93.0 °C151 - 199 °F
Drying Temperature 116 - 121 °C241 - 250 °F
Dry Time 4 - 6 hour4 - 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/min0.800 - 1.00 ft³/min (CFM)per lb/hour resin processed
Injection Pressure 68.9 - 138 MPa10000 - 20000 psi
Back Pressure 0.000 - 0.517 MPa0.000 - 75.0 psi
Cushion 0.635 cm0.250 in
Screw Speed 20 - 50 rpm20 - 50 rpm
 
Descriptive Properties
Fill RateModerate
Hold Pressure40 - 60% of injection pressure
Packing Pressure50 - 75% of injection pressure

**
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PMRC968 / 21053

Ensinger PEI

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