杜邦POM Delrin 511P 特性及用途：收縮率低，耐燃油，熱穩(wěn)定，成型周期縮短5%~15%，機械性能好，尺寸穩(wěn)定性更好，耐疲勞、耐蠕變、剛性等都優(yōu)于共聚甲醛，適合工程制品，由于結晶度的提高，又降低了薄壁制品產(chǎn)生孔隙的危險，適合于工程零件 齒輪 傳動裝置齒輪 緊固件 電線電纜應用 管道 薄板/板材；流延膜/薄膜等
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POM 511P 物性表：
| Physical | Nominal Value | Unit | Test Method |
| Specific Gravity | 1.42 | g/cm³ | ASTM D792 |
| Density | 1.42 | g/cm³ | ISO 1183 |
| Melt Mass-Flow Rate (MFR) (190°C/1.05 kg) | 7.0 | g/10 min | ASTM D1238 |
| Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) | 15 | g/10 min | ISO 1133 |
| Melt Volume-Flow Rate (MVR) (190°C/2.16 kg) | 13.0 | cm³/10min | ISO 1133 |
| Molding Shrinkage - Flow (24 hr, 3.20 mm) | 1.5 to 1.8 | % | ASTM D955 |
| Molding Shrinkage - Across Flow (24 hr, 3.20 mm) | 1.6 to 1.9 | % | ASTM D955 |
| Molding Shrinkage | ISO 294-4 | ||
| Across Flow: 2.00 mm | 1.7 | % | |
| Flow: 2.00 mm | 1.8 | % | |
| Across Flow: 24 hr, 4.00 mm | 1.7 to 2.0 | % | |
| Flow: 24 hr, 4.00 mm | 1.7 to 2.0 | % | |
| Water Absorption (23°C, 24 hr) | 0.30 | % | ASTM D570 |
| Water Absorption (Saturation, 23°C) | 0.90 | % | ISO 62 |
| Water Absorption (Equilibrium, 23°C, 50% RH) | 0.20 | % | ISO 62 |
| Mechanical | Nominal Value | Unit | Test Method |
| Tensile Modulus 2 (23°C) | 3380 | MPa | ASTM D638 |
| Tensile Modulus (23°C) | 3400 | MPa | ISO 527-2 |
| Tensile Strength 2 (23°C) | 72.0 | MPa | ASTM D638 |
| Tensile Strength 2 (Yield, 23°C) | 72.0 | MPa | ASTM D638 |
| Tensile Stress (Yield, 23°C) | 74.0 | MPa | ISO 527-2 |
| Tensile Elongation 2 (Yield, 23°C) | 11 | % | ASTM D638 |
| Tensile Strain (Yield, 23°C) | 12 | % | ISO 527-2 |
| Tensile Elongation 2 (Break, 23°C) | 33 | % | ASTM D638 |
| Tensile Strain (Break, 23°C) | 35 | % | ISO 527-2 |
| Nominal Tensile Strain at Break (23°C) | 25 | % | ISO 527-2 |
| Tensile Creep Modulus (1 hr) | 3000 | MPa | ISO 899-1 |
| Tensile Creep Modulus (1000 hr) | 1700 | MPa | ISO 899-1 |
| Flexural Modulus (23°C) | 3300 | MPa | ASTM D790 |
| Flexural Modulus (23°C) | 3100 | MPa | ISO 178 |
| Flexural Strength (5.0% Strain, 23°C) | 105 | MPa | ASTM D790 |
| Flexural Strength (3.5% Strain, 23°C) | 90.0 | MPa | ISO 178 |
| Impact | Nominal Value | Unit | Test Method |
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30°C | 7.0 | kJ/m² | |
| 23°C | 8.0 | kJ/m² | |
| Charpy Unnotched Impact Strength | ISO 179/1eU | ||
| -30°C | 220 | kJ/m² | |
| 23°C | 260 | kJ/m² | |
| Notched Izod Impact (23°C) | 73 | J/m | ASTM D256 |
| Notched Izod Impact Strength | ISO 180/1A | ||
| -40°C | 8.0 | kJ/m² | |
| 23°C | 8.0 | kJ/m² | |
| Unnotched Izod Impact (23°C) | No Break | ASTM D4812 | |
| Hardness | Nominal Value | Unit | Test Method |
| Rockwell Hardness | ISO 2039-2 | ||
| M-Scale | 92 | ||
| R-Scale | 120 |