杜邦POM Delrin 127UV 特性及用途：耐候級，高粘性樹脂，抗疲勞，良好的抗蠕變性，良好的尺寸穩(wěn)定性，最佳抗紫外線性能，高耐沖擊性，超UV高分子量，高剛性，高強度，適用于容易填充之模具，有優(yōu)異的加工特性，在非改性材料中具有最高韌性，并有均衡的性能和流動性，用途：電線電纜，工程配件，管道，片材，汽車內部零件 鑄造薄膜
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POM 127U 物性表：
| Physical |
Nominal Value |
Unit |
Test Method |
| Density |
1.42 |
g/cm³ |
ISO 1183 |
| Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) |
2.5 |
g/10 min |
ISO 1133 |
| Mechanical |
Nominal Value |
Unit |
Test Method |
| Tensile Modulus (23°C) |
3000 |
MPa |
ISO 527-2 |
| Tensile Stress (Yield, 23°C) |
71.5 |
MPa |
ISO 527-2 |
| Tensile Strain (Yield, 23°C) |
22 |
% |
ISO 527-2 |
| Nominal Tensile Strain at Break (23°C) |
37 |
% |
ISO 527-2 |
| Flexural Modulus (23°C) |
2800 |
MPa |
ISO 178 |
| Impact |
Nominal Value |
Unit |
Test Method |
| Charpy Notched Impact Strength |
|
|
ISO 179/1eA |
| -30°C |
10 |
kJ/m² |
|
| 23°C |
13 |
kJ/m² |
|
| Thermal |
Nominal Value |
Unit |
Test Method |
| Heat Deflection Temperature (0.45 MPa, Unannealed) |
162 |
°C |
ISO 75-2/B |
| Heat Deflection Temperature (1.8 MPa, Unannealed) |
92.0 |
°C |
ISO 75-2/A |
| Melting Temperature 2 |
178 |
°C |
ISO 11357-3 |
| CLTE - Flow |
|
|
ISO 11359-2 |
| -40 to 23°C |
0.00010 |
cm/cm/°C |
|
| 23 to 55°C |
0.00011 |
cm/cm/°C |
|
| 55 to 100°C |
0.00015 |
cm/cm/°C |
|
| CLTE - Transverse |
|
|
ISO 11359-2 |
| -40 to 23°C |
0.00010 |
cm/cm/°C |
|
| 23 to 55°C |
0.00011 |
cm/cm/°C |
|
| 55 to 100°C |
0.00016 |
cm/cm/°C |
