Weifang Bright Master Importing and Exporting Co.,Ltd
The company adheres to the long-term strategy of "people-oriented" and pursues the tenet of quality and credibility. With excellent products and good services, we will make unremitting efforts to meet
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| Property | Unit | Test Method | Typical Values | ||
| Physical | |||||
| Thickness | Micron | Internal | 20 | 25 | 30 |
| Yield | m2/Kg | Internal | 54.9 | 44 | 36.6 |
| Density | g/cm3 | Internal | 0.91 | 0.91 | 0.91 |
| Mechanical | |||||
| Tensile Strength MD | Kg/cm2 | ASTM-D-882 | 500 | 520 | 525 |
| TD | Kg/cm2 | ASTM-D-882 | 400 | 415 | 420 |
| Ultimate Elongation MD | % | ASTM-D-882 | 550 | 580 | 600 |
| TD | % | ASTM-D-882 | 650 | 685 | 695 |
| Surface | |||||
| Coefficient Of Static | - | ASTM-D-1894 | 0.35 | 0.35 | 0.35 |
| Friction Dynamic | - | ASTM-D-1894 | 0.3 | 0.3 | 0.3 |
| Wetting Tension | Dyne/cm | ASTM-D-2578 | 38 | 38 | 38 |
| Tear Strength | g/micron | ASTM-D-2578 | 5.2 | 5.4 | 5.5 |
| Optical | |||||
| Haze | % | ASTM-D-1003 | 3.6 | 4.2 | 4.6 |
| Transmittance | % | ASTM-D-1003 | 90 | 89 | 89 |
| Thermal MD Shrinkage TD | % | ASTM-D-1204 | 1 | 0.9 | 0.85 |
| 1.5 | 1.46 | 1.35 | |||
| Water Vapor Transmission Rate | g /(m2•24 hr) 40 Celsius | ASTM E 96 | 1.32 | 1.12 | 0.98 |
| Oxygen Transmission Rate | ml /m2 •24 hr•0.1MPa | ASTM D 3985 | 35 | 31 | 26 |
| Aluminum Layer | |||||
| Thickness | A | Internal | 300-500 | 300-500 | 300-500 |
| Uniformity | % | Internal | 96 | 96 | 96 |
| Sheet Resistance | - | ||||
| Adhesiveness | % | GB | 94 | 94 | 94 |
