This multilayer composite material is composed of polyester film, tearable aluminum foil and polypropylene, and has the advantages of heat insulation, moisture resistance, fragrance retention, non-toxicity and tasteless. Silver film has a very good heat insulation effect, which can effectively isolate the cold or hot air from the outside and ensure that the temperature of articles will not be damaged by external influences. In addition, the silver film has good moisture-proof function, which can prevent the items in the bag from deteriorating due to moisture and ensure the quality and quality of the items in the bag.
This material is widely used in heat insulation and moisture-proof items, such as food, beverage, medical supplies and so on. Especially when traveling, sports, camping and other activities, thermal insulation bags are very practical items, which can ensure the temperature and quality of food and drinks.