| Structure | Advanced |
| PE/PA/EVOH/PE | ◆EVOH is the barrier layer, high barrier performance |
| EVOH is barrier layer | ◆PA is the surface layer with good puncture resistance |
| PE/PA/PE | ◆PA is the barrier layer, the medium barrier performance |
| PA is barrier layer | ◆PA is the surface layer with good puncture resistance |
Application：
1.Vacuum packaging of meat products
2.Vacuum packaging of leisure food
3.Seafood packaging
4.Frozen products
5.Gusset design
