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Rulon Bearings

LG Chemical LUMID GP2251BFH PA66+GF25%, Injection Molding
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 66 (PA66); Nylon 66, 30% Glass Fiber Filled
Material Notes: Flame Retardant

Application: E&E Parts

Information provided by LG Chemical
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Physical PropertiesMetricEnglishComments
Density 1.60 g/cc0.0578 lb/in³ASTM D792
Water Absorption 0.60 %
@Time 86400 sec		0.60 %
@Time 24.0 hour		ASTM D570
Linear Mold Shrinkage, Flow 0.0050 - 0.010 cm/cm
@Thickness 3.20 mm		0.0050 - 0.010 in/in
@Thickness 0.126 in		ASTM D955
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 120120ASTM D785
Tensile Strength, Yield 132 MPa
@Thickness 3.20 mm		19200 psi
@Thickness 0.126 in		5mm/min; ASTM D638
Elongation at Break 2.5 %
@Thickness 3.20 mm		2.5 %
@Thickness 0.126 in		5mm/min; ASTM D638
Flexural Strength 206 MPa
@Thickness 3.20 mm		29900 psi
@Thickness 0.126 in		1.3mm/min; ASTM D790
Flexural Modulus 8.83 GPa
@Thickness 3.20 mm		1280 ksi
@Thickness 0.126 in		1.3mm/min; ASTM D790
Izod Impact, Notched 0.735 J/cm
@Thickness 3.20 mm		1.38 ft-lb/in
@Thickness 0.126 in		ASTM D256
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+14 ohm-cm1.00e+14 ohm-cmASTM D 257
Dielectric Constant 3.0
@Frequency 1e+6 Hz		3.0
@Frequency 1e+6 Hz		ASTM D150
Dielectric Strength 22.0 kV/mm
@Thickness 1.00 mm		559 kV/in
@Thickness 0.0394 in		ASTM D149
Comparative Tracking Index 400 V400 VSolution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 30.0 µm/m-°C16.7 µin/in-°FASTM D696
Melting Point 260 °C500 °FASTM D3418
Deflection Temperature at 1.8 MPa (264 psi) 220 °C
@Thickness 6.40 mm		428 °F
@Thickness 0.252 in		Unannealed; ASTM D648
UL RTI, Electrical 130 °C
@Thickness 0.750 mm		266 °F
@Thickness 0.0295 in		UL 746B
UL RTI, Mechanical with Impact 100 °C
@Thickness 0.750 mm		212 °F
@Thickness 0.0295 in		UL 746B
UL RTI, Mechanical without Impact 130 °C
@Thickness 0.750 mm		266 °F
@Thickness 0.0295 in		UL 746B
Flammability, UL94  V-0
@Thickness 0.750 mm		V-0
@Thickness 0.0295 in
 V-0
@Thickness 1.50 mm		V-0
@Thickness 0.0591 in
 V-0
@Thickness 3.00 mm		V-0
@Thickness 0.118 in
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 265 - 280 °C509 - 536 °F
Middle Barrel Temperature 270 - 290 °C518 - 554 °F
Front Barrel Temperature 270 - 290 °C518 - 554 °F
Nozzle Temperature 80.0 - 110 °C176 - 230 °F
Melt Temperature 270 - 290 °C518 - 554 °F
Mold Temperature 80.0 - 110 °C176 - 230 °F
Drying Temperature 80.0 - 100 °C
@Time 14400 - 18000 sec		176 - 212 °F
@Time 4.00 - 5.00 hour
Moisture Content <= 0.090 %<= 0.090 %
Back Pressure 0.981 - 2.94 MPa142 - 426 psiHydraulic
 9.81 - 29.4 MPa1420 - 4260 psiElectronic
Screw Speed 60 - 150 rpm60 - 150 rpm

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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