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Elmet Technologies

LG Chemical LUCEL GC225 POM+GF25%, High Rigidity
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, 30% Glass Fiber Reinforced
Material Notes: Feature: Injection Molding, POM+GF25%, High Rigidity

Application: Casings of Pump and Pivot Bearings

CAS No. 66455-31-0 and 65997-17-3

Information provided by LG Chemical
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 1.59 g/cc1.59 g/ccASTM D792
Maximum Moisture Content 0.100.10Injection Molding
Linear Mold Shrinkage, Flow 0.0040 - 0.0090 cm/cm
@Thickness 3.20 mm		0.0040 - 0.0090 in/in
@Thickness 0.126 in		ASTM D955
Melt Flow 10 g/10 min
@Load 2.16 kg,
Temperature 190 °C		10 g/10 min
@Load 4.76 lb,
Temperature 374 °F		ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 8585ASTM D785
Tensile Strength, Yield 127 MPa
@Thickness 3.20 mm		18500 psi
@Thickness 0.126 in		5mm/min; ASTM D638
Elongation at Break 3.0 %
@Thickness 3.20 mm		3.0 %
@Thickness 0.126 in		5mm/min; ASTM D638
Flexural Yield Strength 196 MPa
@Thickness 3.20 mm		28400 psi
@Thickness 0.126 in		1.3mm/min; ASTM D790
Flexural Modulus 7.85 GPa
@Thickness 3.20 mm		1140 ksi
@Thickness 0.126 in		1.3mm/min; ASTM D790
Izod Impact, Notched 0.883 J/cm
@Thickness 6.40 mm,
Temperature 23.0 °C		1.65 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) 165 °C
@Thickness 6.40 mm		329 °F
@Thickness 0.252 in		Unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 160 °C
@Thickness 6.40 mm		320 °F
@Thickness 0.252 in		Unannealed; ASTM D648
UL RTI, Electrical 50.0 °C
@Thickness >=0.750 mm		122 °F
@Thickness >=0.0295 in
UL RTI, Mechanical with Impact 50.0 °C
@Thickness >=0.750 mm		122 °F
@Thickness >=0.0295 in
UL RTI, Mechanical without Impact 50.0 °C
@Thickness >=0.750 mm		122 °F
@Thickness >=0.0295 in
Flammability, UL94  HB
@Thickness >=0.750 mm		HB
@Thickness >=0.0295 in
 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 180 - 200 °C356 - 392 °FInjection Molding
Middle Barrel Temperature 190 - 210 °C374 - 410 °FInjection Molding
Front Barrel Temperature 200 - 220 °C392 - 428 °FInjection Molding
Nozzle Temperature 200 - 220 °C392 - 428 °FInjection Molding
Melt Temperature 210 - 220 °C410 - 428 °FInjection Molding
Mold Temperature 60.0 - 100 °C140 - 212 °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 0.000 - 4.02 MPa0.000 - 583 psiInjection Molding
Screw Speed 40 - 75 rpm40 - 75 rpmInjection Molding

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