杜邦POM Delrin 500AL 特性及用途：舊型號DE9422，具有良好的抗蠕變性和耐磨性 低摩擦 經(jīng)潤滑 中等粘度 可超聲波焊接
主要用途：輸送機 工程機械配件 齒輪
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POM 500AL 物性表：
| Physical | Nominal Value | Unit | Test Method |
| Specific Gravity | 1.39 | g/cm³ | ASTM D792 |
| Density | 1.39 | g/cm³ | ISO 1183 |
| Melt Mass-Flow Rate (MFR) (190°C/1.05 kg) | 6.0 | g/10 min | ASTM D1238 |
| Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) | 14 | g/10 min | ISO 1133 |
| Melt Volume-Flow Rate (MVR) (190°C/2.16 kg) | 12.0 | cm³/10min | ISO 1133 |
| Molding Shrinkage - Flow (24 hr, 3.20 mm) | 1.7 to 2.0 | % | ASTM D955 |
| Molding Shrinkage - Across Flow (24 hr, 3.20 mm) | 1.7 to 2.0 | % | ASTM D955 |
| Molding Shrinkage | ISO 294-4 | ||
| Across Flow: 2.00 mm | 1.7 | % | |
| Flow: 2.00 mm | 1.8 | % | |
| Across Flow: 4.00 mm | 1.9 | % | |
| Flow: 4.00 mm | 1.9 | % | |
| Mechanical | Nominal Value | Unit | Test Method |
| Tensile Modulus 3 (23°C) | 3170 | MPa | ASTM D638 |
| Tensile Modulus (23°C) | 3000 | MPa | ISO 527-2 |
| Tensile Strength 3 (23°C) | 66.0 | MPa | ASTM D638 |
| Tensile Strength 3 (Yield, 23°C) | 66.0 | MPa | ASTM D638 |
| Tensile Stress (Yield, 23°C) | 65.0 | MPa | ISO 527-2 |
| Tensile Elongation 3 (Yield, 23°C) | 10 | % | ASTM D638 |
| Tensile Strain (Yield, 23°C) | 11 | % | ISO 527-2 |
| Tensile Elongation 3 (Break, 23°C) | 30 | % | ASTM D638 |
| Tensile Strain (Break, 23°C) | 35 | % | ISO 527-2/50 |
| Nominal Tensile Strain at Break (23°C) | 23 | % | ISO 527-2 |
| Tensile Creep Modulus (1 hr) | 2400 | MPa | ISO 899-1 |
| Tensile Creep Modulus (1000 hr) | 1600 | MPa | ISO 899-1 |
| Flexural Modulus (23°C) | 2970 | MPa | ASTM D790 |
| Flexural Modulus (23°C) | 2800 | MPa | ISO 178 |
| Flexural Strength (5.0% Strain, 23°C) | 88.0 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30°C | 6.0 | kJ/m² | |
| 23°C | 7.0 | kJ/m² | |
| Charpy Unnotched Impact Strength | ISO 179/1eU | ||
| -30°C | 130 | kJ/m² | |
| 23°C | 160 | kJ/m² | |
| Notched Izod Impact (23°C) | 58 | J/m | ASTM D256 |
| Notched Izod Impact Strength | ISO 180/1A | ||
| -40°C | 5.0 | kJ/m² | |
| 23°C | 6.0 | kJ/m² |