1. PE: Water-proof, anti-corrosive, and protecting the printing layer. (Originated from U.S. Dow or South Korea LG or Germany)
2. Bonding layer: Improving the composite firmness of PE and paper.( U.S. Dow or South Korea LG)
3. Printing layer: Exterior decoration, text description.(Intaglio printing)
4. Paper: The printing and molding, supporting layer, and has certain strength, toughness and stiffness.(Wanguo Taiyang, Yatai Senbo)
5. PE:Composite layer, water-proof and moisture-proof.(U.S.Dow or South Korea LG or Germany Inris)
6. Bonding layer: Improving the bonding firmness of PE and alu foil.(U.S.Dow or South Korea LG or Germany Inris)
7. Alu foil: light-proof layer and oxygen insulation layer(Nanshan Yantai)
8. Bonding layer: Improving the bonding firmness of PE and alu foil.(U.S.DuPont and Dow)
9. PE: Blocking layer.(U.S.Dow, South Korea LG, Thailand)
10. PE modified material:Improving heat sealability performance and improving sealing quality. (U.S.Dow, South Korea LG, Thailand)