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Rulon Bearings

LG Chemical LUCEL FW720F Modified POM, Friction Resistance, Abrasion Resistance
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes: Feature: Injection Molding, Modified POM, Friction Resistance, Abrasion Resistance

Application: Gears, Printer Roller Pumps, Gear Worm Wheels

CAS No. 66455-31-0 and 9002-84-2

Information provided by LG Chemical
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.52 g/cc1.52 g/ccASTM D792
Maximum Moisture Content 0.100.10Injection Molding
Linear Mold Shrinkage, Flow 0.013 - 0.016 cm/cm
@Thickness 3.20 mm		0.013 - 0.016 in/in
@Thickness 0.126 in		ASTM D955
Melt Flow 9.0 g/10 min
@Load 2.16 kg,
Temperature 190 °C		9.0 g/10 min
@Load 4.76 lb,
Temperature 374 °F		ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 7070ASTM D785
Tensile Strength, Yield 49.0 MPa
@Thickness 3.20 mm		7110 psi
@Thickness 0.126 in		5mm/min; ASTM D638
Elongation at Break 40 %
@Thickness 3.20 mm		40 %
@Thickness 0.126 in		5mm/min; ASTM D638
Flexural Yield Strength 78.5 MPa
@Thickness 3.20 mm		11400 psi
@Thickness 0.126 in		1.3mm/min; ASTM D790
Flexural Modulus 2.26 GPa
@Thickness 3.20 mm		327 ksi
@Thickness 0.126 in		1.3mm/min; ASTM D790
Izod Impact, Notched 0.441 J/cm
@Thickness 6.40 mm,
Temperature 23.0 °C		0.827 ft-lb/in
@Thickness 0.252 in,
Temperature 73.4 °F		ASTM D256
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmASTM D257
Surface Resistance 1.00e+14 ohm1.00e+14 ohmASTM D257
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 0.46 MPa (66 psi) 155 °C
@Thickness 6.40 mm		311 °F
@Thickness 0.252 in		Unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 110 °C
@Thickness 6.40 mm		230 °F
@Thickness 0.252 in		Unannealed; ASTM D648
Flammability, UL94  HB
@Thickness >=1.50 mm		HB
@Thickness >=0.0591 in
 HB
@Thickness >=3.00 mm		HB
@Thickness >=0.118 in
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 160 - 180 °C320 - 356 °FInjection Molding
Middle Barrel Temperature 170 - 190 °C338 - 374 °FInjection Molding
Front Barrel Temperature 180 - 200 °C356 - 392 °FInjection Molding
Nozzle Temperature 180 - 200 °C356 - 392 °FInjection Molding
Melt Temperature 200 - 220 °C392 - 428 °FInjection Molding
Mold Temperature 80.0 - 110 °C176 - 230 °FInjection Molding
Drying Temperature 90.0 - 110 °C194 - 230 °FInjection Molding
Dry Time 2.00 - 3.00 hour2.00 - 3.00 hourInjection Molding
Back Pressure 0.490 - 3.04 MPa71.1 - 441 psiInjection Molding
Screw Speed 50 - 100 rpm50 - 100 rpmInjection Molding

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