Properties:
High barrier and ultra-high barrier properties:
significantly improve the flavor retention and preservation performance of food,and extend the shelf life of food;High adhesion of
aluminumlayer:Adhesion≥2.5N/15mm
More environmentally friendly and meet the requirements of GB4806.7,FDA,EU, reach,ROHS,etc;
Application:
Flexible Packaging Lamination;Application and packaging of electronics, decorative materials,labels,cosmetics and metal products;
|
测试项目 ltem |
测试方法 Testing methods |
单位 Units |
标准值Sdandard values |
||
|
|
|
|
VPET-GF |
VPET-GF02 |
|
|
厚度Thickness |
GB/T6672 |
μm |
12 |
12 |
|
|
铝层厚度AI Thickness |
GB/T15717 |
OD |
≥2.0 |
≥1.9 |
|
|
密度Density |
GB/T 1033.1 |
g/cm³ |
1.4 |
1.4 |
|
|
铝层附着力Adheesion of AI Laye |
EAA测试法 |
N/15mm |
≥2.0 |
≥2.5 |
|
|
湿润张力 Surface tension |
镀铝面Al side |
GB/T14216 |
mN/m |
≥48 |
≥48 |
|
|
非镀铝面 Non-Al side |
|
|
≥42 |
≥42 |
|
拉伸强度 Tensile strength |
纵向(MD) |
GB/T 1040.3 |
Mpa |
≥170 |
≥170 |
|
|
横向(TD) |
|
|
≥170 |
≥170 |
|
断裂伸长率 Elongation at break |
纵向(MD) |
GB/T 1040.3 |
% |
≤200 |
≤200 |
|
|
横向(TD) |
|
|
≤200 |
≤200 |
|
水汽透过率WVTR |
ASTM F-1249 |
g/m² ·24h |
≤1.5 |
≤0.8 |
|
|
氧气透过率O²TR |
ASTM D-3985 |
cc/m² ·24h |
≤1.5 |
≤0.8 |
|