So sánh vật liệu
Thông số kỹ thuật
| mechanical properties | Điều kiện kiểm tra | Phương pháp kiểm tra | DOW USA/450 |
|---|---|---|---|
| Friction coefficient | Itself - Dynamic | ASTM D1894 | 0.20 |
| film | Điều kiện kiểm tra | Phương pháp kiểm tra | DOW USA/450 |
|---|---|---|---|
| film thickness | 1.0 mil | ||
| Water vapor permeability | 38℃, 51 μm, 90% RH | ASTM F1249 | 0.14 g/m²/24 hr |
| Oxygen permeability | 23°C,25μm,50%RH | ASTM D3985 | 0.33 cm³·mm/m²/atm/24hr |
| elongation | MD:Break,25μm | ASTM D882 | 400 % |
| MD : Break, 51 μm | ASTM D882 | 400 % | |
| Heat sealing strength | 177°C,25.4μm | Internal Method | 890 g/2.5cm |
| tensile strength | MD:Break,25μm | ASTM D882 | 26.2 MPa |
| Oxygen permeability | 23℃, 51 μm, 50% RH | ASTM D3985 | 0.33 g/m²/24 hr |
| tensile strength | MD : Break, 51 μm | ASTM D882 | 26.2 MPa |
| elongation | TD:Break,25μm | ASTM D882 | 550 % |
| Water vapor permeability | 25μm,38°C,90%RH | ASTMF1249 | 0.14 g·mm/m²/atm/24hr |
| film thickness | 1.0mil(25µ | ||
| 经测试 | ASTM D374 | 25 µm | |
| Usage - Calculated | 25.4μm | Internal Method | 39.3 m²/kg |
| consumption | 50.8 μm | ASTM D4321 | 39.3 m²/kg |
| film thickness | 25 µm | ||
| Heat sealing strength | MD : 177℃ | Internal Method | 890 N/m |
| tensile strength | TD:Break,25μm | ASTM D882 | 18.6 MPa |
