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Thông số kỹ thuật
| thermal performance | Điều kiện kiểm tra | Phương pháp kiểm tra | TOTAL/TOTAL Polyethylene HDPE HL 428 |
|---|---|---|---|
| Melting temperature | ASTM D3417 | 131 °C |
| Physical properties | Điều kiện kiểm tra | Phương pháp kiểm tra | TOTAL/TOTAL Polyethylene HDPE HL 428 |
|---|---|---|---|
| melt mass-flow rate | 190°C/2.16kg | ASTM D1238 | 0.28 g/10min |
| 190°C/21.6kg | ASTM D1238 | 20 g/10min | |
| density | ASTM D792 | 0.947 g/cm³ |
| film | Điều kiện kiểm tra | Phương pháp kiểm tra | TOTAL/TOTAL Polyethylene HDPE HL 428 |
|---|---|---|---|
| elongation | Break,25μm,BlownFilm | ASTM D882A | 450 % |
| Elmendorf tear strength | 25μm,BlownFilm2,TD | ASTM D1922 | 530 g |
| 25μm,Blown Film,TD | ASTM D1922 | 1500 g | |
| Water vapor permeability | 25μm,BlownFilm2 | ASTMF1249 | 7.8 g/m²/24hr |
| Tensile strain | Break,25μm,BlownFilm2 | ASTM D882A | 700 % |
| Break,25μm,BlownFilm | ASTM D882A | 600 % | |
| Elmendorf tear strength | 25μm,Blown Film,MD | ASTM D1922 | 10 g |
| Dart impact | 25μm,BlownFilm2 | ASTM D1709A | 100 g |
| tensile strength | Yield,25μm,BlownFilm | ASTM D882A | 26.2 MPa |
| Dart impact | 25μm,Blown Film | ASTM D1709A | <50 g |
| elongation | Break,25μm,BlownFilm2 | ASTM D882A | 600 % |
| film thickness | 25 µm | ||
| Secant modulus | 25μm,BlownFilm | ASTM D882A | 1000 MPa |
| Water vapor permeability | 25μm,Blown Film | ASTMF1249 | 11 g/m²/24hr |
| tensile strength | Yield,25μm,BlownFilm2 | ASTM D882A | 25.5 MPa |
| Break,25μm,BlownFilm | ASTM D882A | 18.6 MPa | |
| Break,25μm,BlownFilm2 | ASTM D882A | 39.3 MPa | |
| Elmendorf tear strength | 25μm,BlownFilm2,MD | ASTM D1922 | 28 g |
