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Celanese Celcon® LW90 POM, Tribological

Category Polymer , Thermoplastic , Acetal (POM)
Manufacturer Celanese Corporation
Trade Name CELCON
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Celanese Celcon® LW90 POM, Tribological.pdf
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Material Notes:
Celcon« LW90 is a nominal 9 melt flow rate based material specifically formulated for high speed, low wear applications against metals. LW90 conforms to applicable FDA regulations governing food contact.Information provided by Celanese
Physical Properties Metric English Comments
Specific Gravity 1.43 g/cc
1.43 g/cc
ASTM D792
Density 1.41 g/cc
0.0509 lb/in³
ISO 1183
Moisture Absorption 0.200 %
0.200 %
23°C/50%RH; ISO 62
Water Absorption at Saturation 0.650 %
0.650 %
ISO 62
Linear Mold Shrinkage, Flow 0.0180 cm/cm
0.0180 in/in
ISO 294-4
0.0220 cm/cm
0.0220 in/in
ASTM D955
Linear Mold Shrinkage, Transverse 0.0150 cm/cm
0.0150 in/in
ISO 294-4
0.0180 cm/cm
0.0180 in/in
ASTM D955
Melt Flow 9.00 g/10 min
9.00 g/10 min
ASTM D1238
8.00 g/10 min

@Load 2.16 kg,
Temperature 190 °C
8.00 g/10 min

@Load 4.76 lb,
Temperature 374 °F
[cm3/10min]; ISO 1133
Mechanical Properties Metric English Comments
Tensile Strength, Yield 58.6 MPa
8500 psi
ASTM D638
64.0 MPa
9280 psi
50mm/min; ISO 527-2/1A
Elongation at Yield 9.00 %
9.00 %
50mm/min; ISO 527-2/1A
Tensile Modulus 2.50 GPa
363 ksi
50mm/min; ISO 527-2/1A
Flexural Modulus 2.55 GPa
370 ksi
ASTM D790
2.60 GPa
377 ksi
ISO 178
Izod Impact, Notched 0.641 J/cm
1.20 ft-lb/in
ASTM D256
Izod Impact, Notched (ISO) 5.70 kJ/m²
2.71 ft-lb/in²
ISO 180/1A
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 110 µm/m-°C
61.1 µin/in-°F
ISO 11359-2
CTE, linear, Transverse to Flow 120 µm/m-°C
66.7 µin/in-°F
ISO 11359-2
Deflection Temperature at 1.8 MPa (264 psi) 97.2 °C
207 °F
ASTM D648
98.0 °C
208 °F
ISO 75-1, -2
Processing Properties Metric English Comments
Processing Temperature 80.0 - 120 °C
176 - 248 °F
cavity
180 - 200 °C
356 - 392 °F
hot runner
Zone 1 170 - 180 °C
338 - 356 °F
Zone 2 180 - 190 °C
356 - 374 °F
Zone 3 180 - 190 °C
356 - 374 °F
Zone 4 190 - 200 °C
374 - 392 °F
Die Temperature 190 - 200 °C
374 - 392 °F
Melt Temperature 180 - 200 °C
356 - 392 °F
Drying Temperature 80.0 - 100 °C
176 - 212 °F
Dry Time 3.00 hour
3.00 hour
Injection Pressure 60.0 - 120 MPa
8700 - 17400 psi
Hold Pressure 60.0 - 120 MPa
8700 - 17400 psi
Back Pressure <= 4.00 MPa
<= 580 psi
Descriptive Properties Value Comments
Injection molding Yes
Injection Speed slow-medium
Pellets Yes
Processing conditions acc. ISO 9988-2
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