Heat shrinkable film is a film that can reduce its volume under physical or chemical action. In packaging, it is used to create an outer protective layer on the surface of the product, thus leaving a beautiful, printed label or securing the product. It is usually made of polyvinyl chloride, polyethylene and other materials, and can be single-layer or multi-layer wrapped. It has the characteristics of high transparency, high strength and waterproof and moisture-proof. The packaged object forms a transparent, deep and beautiful package on the outside, which can maintain the product clarity, dustproof, moistureproof, gas barrier and many other advantages.
Heat shrinkable film has two different types of self-shrinkage, namely one-way shrinkage and two-way shrinkage. The former is usually called sleeve type or tubular shape, that is, the width of the film is fixed, and the length can be cut from the total length or the required length to manufacture sleeve types suitable for products of different sizes. The latter is to make the film shrink in two directions, and the ideal leather density can be achieved by exchanging the molecular distance.
The main uses of heat shrinkable film include: beverages, mineral water, fruit juice, wine, sugar, condiments, cosmetics, pharmaceuticals and other product packaging in various industries. Heat shrinkable film can not only meet the needs of product protection, but also play multiple functions such as brand promotion, beautification of products, and improvement of product quality. It is widely used in product packaging in various fields.
Heat shrinkable film has the following advantages:
Heat shrinkable film is widely used in the following fields:
Heat shrinkable film is mainly used for packaging food and beverages, such as bottled water, carbonated drinks, milk, etc. Heat shrinkable film can provide complete sealing protection, prevent packaging items from being contaminated and oxidized, and keep products fresh and taste good.
Heat shrinkable film can also be used for packaging daily necessities and electronic products, such as stationery, pet food, batteries, etc. Heat shrinkable film can provide tight packaging, prevent the entry of moisture and fine particles in the packaged items, and improve the protection of the product.
Heat shrinkable film is also an important packaging material for pharmaceuticals and medical supplies. The heat-shrinkable film can be printed clearly and meets medical standards, with batch numbers, dates, drug names, etc., which can promote product safety and facilitate management.
Heat shrinkable film can also be used to package cosmetics and daily chemical products, such as shampoo, shower gel, perfume, etc. The heat-shrinkable film can ensure the long-term preservation of the product, prevent the volatilization of organic gases, prevent the growth of microorganisms, and prolong the service life of the product.
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