[1] Aluminum foil usually refers to aluminum plastic composite vacuum packaging bag, which is used to package food, pharmaceutical industrial products, daily necessities, etc.

[2] Aluminum coating is a kind of bright metal color film formed by evaporation of high purity aluminum wire into gaseous state at high temperature (1100 ~ 1200 ℃) by vacuum aluminizing process. After that, when plastic film passes through vacuum evaporation chamber, gaseous aluminum atoms precipitate on the surface of plastic film to form bright metal color film.

[3] EHA high barrier film is made of nylon 6 chips and EVOH chips co extruded biaxially. Based on the world's most advanced magnetic driven linear motor synchronous biaxial drawing equipment, the EHA high barrier film is independently developed by Changsu, which uses the most advanced production process of five-layer melt co extrusion and linear synchronous biaxial stretching.

[4] PVDC coating film, also known as PVDC coating film, coating film, referred to as K film, namely Kop (including extinction Kop), kpet, kPa, kcpp, kcpe coating films.

[5] M nylon is a composite film made of MXD6 resin and PA6 resin.

[6] EVOH, ethylene / vinyl alcohol copolymer, is the most widely used high barrier material.

[7] Coextrusion film refers to extruding one kind of raw material into another film or bonding different kinds of films to form multilayer film.