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Celanese Hostaform® C 9021 S1 POM, Tribological  (Unverified Data**)

Category Polymer , Thermoplastic , Acetal (POM)
Manufacturer
Trade Name Hostaform®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Celanese Hostaform® C 9021 S1 POM, Tribological  (Unverified Data**).pdf
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Material Notes:
modified with silicon oilInformation provided by Celanese
Physical Properties Metric English Comments
Density 1.41 g/cc
0.0509 lb/in³
ISO 1183
Density of Compound 1.20 g/cc
0.0434 lb/in³
melt; Internal
Water Absorption 0.65 %
0.65 %
ISO 62
Linear Mold Shrinkage, Flow 0.020 cm/cm
0.020 in/in
ISO 294-4
Linear Mold Shrinkage, Transverse 0.018 cm/cm
0.018 in/in
ISO 294-4
Mechanical Properties Metric English Comments
Tensile Strength, Yield 60.0 MPa
8700 psi
50mm/min; ISO 527-2/1A
Elongation at Break 35 %
35 %
50mm/min; ISO 527-2/1A
Elongation at Yield 11.5 %
11.5 %
50mm/min; ISO 527-2/1A
Tensile Modulus 2.70 GPa
392 ksi
1mm/min; ISO 527-2/1A
Charpy Impact Unnotched 18.0 J/cm²
85.7 ft-lb/in²
partial; ISO 179/1eU
16.0 J/cm²

@Temperature -30.0 °C
76.1 ft-lb/in²

@Temperature -22.0 °F
ISO 179/1eU
Charpy Impact, Notched 0.650 J/cm²
3.09 ft-lb/in²
ISO 179/1eA
0.600 J/cm²

@Temperature -30.0 °C
2.86 ft-lb/in²

@Temperature -22.0 °F
ISO 179/1eA
Thermal Properties Metric English Comments
CTE, linear 110 µm/m-°C
61.1 µin/in-°F
ISO 11359-2
CTE, linear, Transverse to Flow 110 µm/m-°C
61.1 µin/in-°F
ISO 11359-2
Specific Heat Capacity 2.21 J/g-°C
0.528 BTU/lb-°F
Internal
Thermal Conductivity 0.155 W/m-K
1.08 BTU-in/hr-ft²-°F
Internal
Melting Point 166 °C
331 °F
10°C/min; ISO 11357-1,-2,-3
Flame Spread <= 100 mm/min
<= 3.94 in/min
ISO 3795 and FMVSS 302
Processing Properties Metric English Comments
Processing Temperature 20.0 - 30.0 °C
68.0 - 86.0 °F
80.0 - 120 °C
176 - 248 °F
Cavity temperature
165 °C
329 °F
Ejection temperature; Internal
Feed Temperature 60.0 - 80.0 °C
140 - 176 °F
Zone 1 170 - 180 °C
338 - 356 °F
Zone 2 180 - 190 °C
356 - 374 °F
Zone 3 190 - 200 °C
374 - 392 °F
Zone 4 190 - 210 °C
374 - 410 °F
Die Temperature 190 - 210 °C
374 - 410 °F
Melt Temperature 190 - 210 °C
374 - 410 °F
Drying Temperature 120 - 140 °C
248 - 284 °F
Dry Time 3.00 - 4.00 hour
3.00 - 4.00 hour
Moisture Content 0.15 %
0.15 %
Necessary low maximum residual
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
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
Hot-Working Temperature 190 - 210 °C
374 - 410 °F
Descriptive Properties Value Comments
Eff. thermal diffusivity 4.85E-08 m²/s
Injection molding Yes
Injection Speed slow-medium
Longer pre-drying times/storage The product can then be stored in standard conditions until processed.
Melt volume rate (MVR) 8.1 cm³/10min
ISO 1133
Pre-drying Drying is not normally required with proper storage
Processing conditions ISO 9988
Profile extrusion Yes
pvT (Generic Grade reference) POM K, M-RN
Sheet extrusion Yes
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