Acording to the situation of heat-resistant can be divided into: ordinary cooking membrane (ios ~ iisc, 20 ~ 30 min), medium temperature cooking membrane (about 121 ℃, 30 ~ 40 min), high temperature cooking membrane (135 ℃, 30 min); With the barrier property of film such as PET. PA, aluminum foil composite, such as used for packing of high-temperature cooking disinfection products, such as meat, pulp, agricultural and medical supplies.
CPP cooking important performance index of membrane are heat sealing strength, resistance to impact strength, composite strength etc., especially the above indicators remain after cooking. Another, film without odour or contain very low odour is its development direction, such as chestnut bag is very strict with the smell of the CPP film.
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