| 测试项目Item | 测试方法 Testing methods | 单位 Units | 标准值 Sdandard values |
| 厚度 Thickness | GB/T 6672 | μm | 10-18 |
| 铝层厚度 Al Thickness | GB/T 15717 | Ω/□ | ≤2.5 |
| 密度 Density | GB/T 1033.1-2008 | ɡ/cm3 | 1.15 |
| 附着力Aluminum adhesion | BB/T 0030-2019 | % | ≤10 |
| 透氧率 OTR | ASTM D 3985 | cc/m2·day | ≤1.5 |
| 动摩擦系数 | 非镀铝面/非镀铝面 | | - | ≤0.6 |
| 湿润张力Surface tension | 镀铝面Al side | GB/T 14216-2008 | 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 | ≥180 |
| 横向(TD) | ≥180 |
| 断裂伸长率Elongation at break | 纵向(MD) | GB/T 1040.3 | % | ≤180 |
| 横向(TD) | ≤180 |
| 热收缩率Heat shrinkage rate | 纵向(MD) | 150℃*30min | % | ≤3.0 |
| 横向(TD) | ≤2.0 |
FAQ
What is BOPA metallized film mainly used for?
The existing page lists food packaging, chemical and pharmaceutical product packaging and decorative balloons.
What are the key characteristics of this film?
The page describes strength, puncture resistance, impact resistance and gas-barrier performance.
What should buyers confirm before ordering?
Buyers should confirm the required thickness, aluminum adhesion, oxygen-barrier requirement and whether the film will be laminated with CPP or PE.