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Rulon Bearings

Celanese Celcon® GC15 POM, 15% Glass Reinforced
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, 20% Glass Fiber Reinforced
Material Notes: Celcon« GC15 is an acetal copolymer grade utilizing a nominal 15 wt. % fiber glass level to increase stiffness and strength.

Information provided by Celanese
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.54 g/cc1.54 g/ccASTM D792
Density 1.502 g/cc0.05426 lb/in³ISO 1183
Moisture Absorption 0.200 %0.200 %23°C/50%RH; ISO 62
Water Absorption at Saturation 0.80 %0.80 %ISO 62
Linear Mold Shrinkage, Flow 0.0040 cm/cm0.0040 in/inASTM D955
 0.0050 cm/cm0.0050 in/inISO 294-4
Linear Mold Shrinkage, Transverse 0.0090 cm/cm0.0090 in/inISO 294-4
 0.018 cm/cm0.018 in/inASTM D955
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 91.0 MPa13200 psi5mm/min; ISO 527-2/1A
Tensile Strength, Yield 85.5 MPa12400 psiASTM D638
Elongation at Break 2.5 %2.5 %5mm/min; ISO 527-2/1A
Tensile Modulus 5.95 GPa863 ksi50mm/min; ISO 527-2/1A
Flexural Modulus 4.96 GPa720 ksiASTM D790
 5.85 GPa848 ksiISO 178
Izod Impact, Notched 0.641 J/cm1.20 ft-lb/inASTM D256
Izod Impact, Notched (ISO) 5.30 kJ/m²2.52 ft-lb/in²ISO 180/1A
Charpy Impact, Notched 0.490 J/cm²2.33 ft-lb/in²ISO 179/1eA
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 46.0 µm/m-°C25.6 µin/in-°FISO 11359-2
CTE, linear, Transverse to Flow 100 µm/m-°C55.6 µin/in-°FISO 11359-2
Melting Point 165 °C329 °FASTM D3418
 166 °C331 °F10°C/min; ISO 11357-1,-2,-3
Deflection Temperature at 1.8 MPa (264 psi) 130 °C266 °FASTM D648
 159 °C318 °FISO 75-1, -2
 
Processing PropertiesMetricEnglishComments
Processing Temperature 90.0 - 120 °C194 - 248 °Fcavity
 190 - 210 °C374 - 410 °Fhot runner
Zone 1 170 - 180 °C338 - 356 °F
Zone 2 180 - 190 °C356 - 374 °F
Zone 3 180 - 190 °C356 - 374 °F
Zone 4 190 - 200 °C374 - 392 °F
Die Temperature 190 - 200 °C374 - 392 °F
Melt Temperature 180 - 200 °C356 - 392 °F
Drying Temperature 80.0 - 100 °C176 - 212 °F
Dry Time 3.00 hour3.00 hour
Injection Pressure 90.0 - 140 MPa13100 - 20300 psi
Hold Pressure 90.0 - 140 MPa13100 - 20300 psi
Back Pressure <= 2.00 MPa<= 290 psi
 
Descriptive Properties
Injection moldingYes
Injection speedslow
PelletsYes
Processing conditions acc. ISO9988-2

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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