Description
Duracon M90 is a POM Resin grade.
Product Specification
| Property | Test Method | Test Conditions | Unit | Test Result |
|---|---|---|---|---|
| Product | Polyacetal (POM) | |||
| Type | DURACON® M90-44 | |||
| Grade Code | CF2001 / CD3068 | |||
| Characteristic | Standard | |||
| Physical Properties | ||||
| Density | ISO 1183 | / | g/cm³ | 1.41 |
| Water Absorption | ISO 62 | 23℃, 24hrs, 1mm Thickness | % | 0.5 |
| Melt Mass-Flow Rate (MFR) | ISO 1133 | 190℃, 2160g | g/10min | 9 |
| Melt Volume-Flow Rate (MVR) | ISO 1133 | 190℃, 2.16kg | cm³/10min | 8 |
| Mechanical Properties | ||||
| Tensile Strength | ISO 527-1,2 | / | MPa | 62 |
| Strain at Break | ISO 527-1,2 | / | % | 35 |
| Tensile Modulus | ISO 527-1,2 | / | MPa | 2700 |
| Flexural Strength | ISO 178 | / | MPa | 87 |
| Flexural Modulus | ISO 178 | / | MPa | 2500 |
| Charpy Notched Impact Strength | ISO 179/1eA | 23℃ | kJ/m² | 6.0 |
| Rockwell Hardness | ISO 2039-2 | M Scale | – | 80 |
| Thermal Properties | ||||
| Temperature of Deflection Under Load | ISO 75-1,2 | 1.80MPa | ℃ | 95 |
| Coefficient of Linear Thermal Expansion | Our Standard | 23–55℃, Flow Direction | ×10-5/℃ | 12 |
| Coefficient of Linear Thermal Expansion | Our Standard | 23–55℃, Transverse Direction | ×10-5/℃ | 12 |
| Electrical Properties | ||||
| Electric Strength | IEC 60243-1 | 3mm | kV/mm | 19 |
| Volume Resistivity | IEC 60093 | / | Ω·cm | 1×1014 |
| Surface Resistivity | IEC 60093 | / | Ω | 1×1016 |
| Volume Resistivity (Our Standard) | Our Standard | / | Ω·cm | – |
| Surface Resistivity (Our Standard) | Our Standard | / | Ω | – |
| Molding Properties | ||||
| Mold Shrinkage | ISO 294-4 | 60×60×2mm, Flow Direction, Cavity Pressure 60MPa | % | 2.3 |
| Mold Shrinkage | ISO 294-4 | 60×60×2mm, Transverse Direction, Cavity Pressure 60MPa | % | 2.1 |
| Durability | ||||
| Specific Wear Amount | JIS K7218 | Thrust, vs C-Steel, Material Side, 0.49MPa, 30cm/s | ×10-3 mm³/(N·km) | 0.65 |
| Specific Wear Amount | JIS K7218 | Thrust, vs C-Steel, Steel Side, 0.49MPa, 30cm/s | ×10-3 mm³/(N·km) | <0.01 |
| Coefficient of Dynamic Friction | JIS K7218 | Thrust, vs C-Steel, 0.49MPa, 30cm/s | – | 0.46 |
| Specific Wear Amount | JIS K7218 | Thrust, vs C-Steel, Material Side, 0.98MPa, 30cm/s | ×10-3 mm³/(N·km) | 0.30 |
| Specific Wear Amount | JIS K7218 | Thrust, vs C-Steel, Steel Side, 0.98MPa, 30cm/s | ×10-3 mm³/(N·km) | <0.01 |
| Coefficient of Dynamic Friction | JIS K7218 | Thrust, vs C-Steel, 0.98MPa, 30cm/s | – | 0.40 |
| Specific Wear Amount | JIS K7218 | Thrust, vs M90-44, Material Side, 0.06MPa, 15cm/s | ×10-3 mm³/(N·km) | – |
| Specific Wear Amount | JIS K7218 | Thrust, vs M90-44, M90-44 Side, 0.06MPa, 15cm/s | ×10-3 mm³/(N·km) | – |
| Coefficient of Dynamic Friction | JIS K7218 | Thrust, vs M90-44, 0.06MPa, 15cm/s | – | 0.37 |
Typical values should be confirmed against the latest producer-issued TDS before final use.