Heat-sealable PET films possesses the same properties as conventioanl PET films, while offering heat-sealibility. It is widely used for bottle cap sealing, with high transparency, good glossiness, excellent gas tightness and chemical resistance.
Heat-sealable PET films possesses the same properties as conventioanl PET films, while offering heat-sealibility. It is widely used for bottle cap sealing, with high transparency, good glossiness, excellent gas tightness and chemical resistance.
1. High transparency and good luster.
2. Stable heat sealing performance.
It is applied to the packaging of sealed food, medicines and electronic components, as well as bottle caps, bowl covers, sealing films, etc. It has excellent mechanical strength, and is a printed and laminated BOPET film, used for laminating with paper.
| 检验项目Item | 检测方法Testing Methods | 标准值Sdandard values | |
| 润湿张力Surface Tension（mN/m） | GB/T 16958-2008 | ≥48 | |
| 厚度偏差Thickness deviation(%) | GB/T 16958-2008 | ±10 | |
| 拉伸强度Tensile Strength（MPa） | 纵向MD | GB/T 16958-2008 | ≥170 |
| 横向TD | GB/T 16958-2008 | ≥170 | |
| 断裂伸长率Elongation at Break(%) | 纵向MD | GB/T 16958-2008 | ≤200 |
| 横向TD | GB/T 16958-2008 | ≤200 | |
| 热收缩率Heat Shrinkage150℃/30min(%) | 纵向MD | GB/T 16958-2008 | ≤2.0 |
| 横向TD | GB/T 16958-2008 | ≤1.5 | |
| 摩擦系数Coefficient of Friction（us/uk） | ASTM D 1894 | ≤0.60/0.55 | |
| 热封强度The intensity of heat sealing（ N/15mm） | QB/T 2358-1998 | 115℃ | |
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