Celanese · POM (Delrin)
Hostaform C 9021
POM
Celanese Hostaform C 9021 is a medium viscosity acetal copolymer (POM-C) grade for injection molding, offering a balance of mechanical properties and chemical resistance.
Manufacturer
Celanese
Base polymer
POM (Delrin)
Status
active
Technical properties
| Melt Flow Rate | 9.0 |
| Density (Nominal) | 1.41 g/cm³ |
| Water Absorption Sat/23°C | 1.1 % |
| Water Absorption 23°C/50RH | 0.2 % |
| Tensile Modulus | 3400 MPa |
| Tensile Stress at Yield | 64 MPa |
| Tensile Strain at Yield | 8 % |
| Nominal Tensile Strain at Break | 70 % |
| Tensile Creep Modulus 1h | 2800 MPa |
| Tensile Creep Modulus 1000h | 1400 MPa |
| Flexural Modulus | 3200 MPa |
| Flexural Stress | 90 MPa |
| Compressive Stress at Yield | 89 MPa |
| Charpy Notched Impact Strength | 10 kJ/m² |
| Charpy Unnotched Impact Strength | 80 kJ/m² |
| Ball Indentation Hardness | 110 MPa |
| DTUL (0.45 MPa) Unannealed | 175 °C |
| DTUL (1.80 MPa) Unannealed | 95 °C |
| Melting Temperature | 175 °C |
| Coefficient of Linear Thermal Expansion (Flow) | 100 E-6 /K |
| Coefficient of Linear Thermal Expansion (Transverse) | 100 E-6 /K |
| Volume Resistivity | 1e+14 Ohm-cm |
| Electric Strength | 38 kV/mm |
| Relative Permittivity | 3.7 |
| Dissipation Factor | 0.003 |
| Comparative Tracking Index | 600 V |
| Processing (Melt) Temp | 190 - 210 °C |
| Mold Temperature | 100 - 140 °C |
Indicative values. Always consult the manufacturer's official datasheet before specification.
Hostaform C 9021 equivalents
No verified equivalents indexed yet.
Base polymer
POM (Delrin)
See the full POM technical sheet
Manufacturer
Celanese
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