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Celanese Hostaform® C 9021 GV1/20 XGM POM, 20% Tribological
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, 20% Glass Fiber Reinforced

Material Notes: Chemical abbreviation according to ISO 1043-1: POM

Information provided by Celanese

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Physical PropertiesMetricEnglishComments
Density 1.57 g/cc0.0567 lb/in³ISO 1183
Melt Flow 4.0 g/10 min
@Load 2.16 kg,
Temperature 190 °C
4.0 g/10 min
@Load 4.76 lb,
Temperature 374 °F
[cm3/10min]; ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 100 MPa14500 psi5mm/min; ISO 527-2/1A
Elongation at Break 2.5 %2.5 %5mm/min; ISO 527-2/1A
Tensile Modulus 7.70 GPa1120 ksi50mm/min; ISO 527-2/1A
Flexural Modulus 7.40 GPa1070 ksiISO 178
Charpy Impact, Notched 0.550 J/cm²2.62 ft-lb/in²ISO 179/1eA
 0.550 J/cm²
@Temperature -30.0 °C
2.62 ft-lb/in²
@Temperature -22.0 °F
ISO 179/1eA
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 30.0 µm/m-°C16.7 µin/in-°FISO 11359-2
CTE, linear, Transverse to Flow 90.0 µm/m-°C50.0 µin/in-°FISO 11359-2
Melting Point 166 °C331 °F10°C/min; ISO 11357-1,-2,-3
 
Processing PropertiesMetricEnglishComments
Processing Temperature 80.0 - 120 °C176 - 248 °Fcavity
 190 - 210 °C374 - 410 °Fhot runner
Feed Temperature 60.0 - 80.0 °C140 - 176 °F
Zone 1 170 - 180 °C338 - 356 °F
Zone 2 180 - 190 °C356 - 374 °F
Zone 3 190 - 200 °C374 - 392 °F
Zone 4 190 - 210 °C374 - 410 °F
Die Temperature 190 - 210 °C374 - 410 °F
Melt Temperature 190 - 210 °C374 - 410 °F
Drying Temperature 100 - 120 °C212 - 248 °F
Dry Time 3.00 - 4.00 hour3.00 - 4.00 hour
Moisture Content <= 0.15 %<= 0.15 %
Injection Pressure 60.0 - 120 MPa8700 - 17400 psi
Hold Pressure 60.0 - 120 MPa8700 - 17400 psi
Back Pressure <= 2.00 MPa<= 290 psi
Screw Speed  70 rpm
@Diameter 55.0 mm
70 rpm
@Diameter 2.17 in
 100 rpm
@Diameter 40.0 mm
100 rpm
@Diameter 1.57 in
 150 rpm
@Diameter 25.0 mm
150 rpm
@Diameter 0.984 in
 
Descriptive Properties
Injection moldingYes
Injection speedslow
Processing conditions acc. ISO9988

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PHCQ349 / 178804

Specialty Compounds RTP Company

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