| 测试项目 Item | 测试方法 Testing methods | 单位 Units | 标准值 Sdandard values |
| VMPET-GFO1 | VMPET-GF02 |
| 厚度Thickness | GB/T6672 | μm | 12 |
| 铝层厚度Al Thickness | GB/T15717 | OD | ≥1.80 |
| 密度Density | GB/T 1033.1-2008 | ɡ/cm3 | 1.4 |
| 铝层附着力 Al Adhesion | EAA测试法 | N/15mm | ≥2.5 |
| 湿润张力 Surface tension | 镀铝面 Al side | GB/T14216-2008 | mN/m | ≥48 |
| 非镀铝面Non-Al side | ≥42 |
| 拉伸强度Tensile strength | 纵向(MD) | GB/T 1040.3 | Mpa | ≥170 |
| 横向(TD) | ≥170 |
| 断裂伸长率 | 纵向(MD) | GB/T 1040.3 | Mpa | ≤200 |
| Elongation at break | 横向(TD) | ≤200 |
| 水汽透过率WVTR | ASTM F-1249 | g/㎡·24h | ≤0.5 | ≤1 |
| 氧气透过率OTR | ASTM D-3985 | cc/㎡·24h | ≤0.5 | ≤1 |
Important Notes:
The above data, obtained from our internal testing, is provided for reference only to assist customers in sample evaluation or product use.
The final performance of the product depends on specific production processes, and improper use may cause irreversible damage.
As equipment, processing condtions, and end-use requirements vary across manufacturers, our company shall only be responsible for the
performance of the film itself.