High barrier packaging uses high barrier materials, and barrier materials with industrial development or industrial production prospects mainly include EVOH, PE, PA, NY, AL,etc. Used in the food industry for sterile packaging, hot cans, and cooking bags, packaging dairy products, meat, canned fruit juice, and condiments; In the non food sector, it is used for packaging solvents, chemicals, air conditioning structural components, gasoline barrel liners, electronic components, etc