Specific characteristics of heat shrinkable film

2023-10-27 11:35

When heat shrinkable film is exposed to temperature, it actively shrinks and tightly wraps the product, and then achieves the effects of product maintenance, rust prevention, pollution prevention, breakage prevention and theft prevention. The storage and transportation stability of the product is good, and the packaging technology and equipment are relatively simple, which is convenient for the implementation of active heat shrink packaging. At present, the prevailing packaging in shopping malls is mainly plastic and paper, and the blow molding industry, which is mainly plastic film blowing machine, is more important in shopping malls. However, with the increasingly strict requirements for the paper industry, the new goal has raised the threshold of the paper industry, resulting in the expansion of capital and the rise of prices in paper packaging shopping malls. This makes the proportion of plastic packaging in shopping malls in heat shrinkable film increase accordingly, which stimulates the development of film blowing machine manufacturing machinery industry.

heat shrinkable film

Although heat shrinkable film has excellent quality assurance, some people may say that PVC is a chemical product after all. It just can't compare with materials, and it can't rule out toxicity and odor, and it will inevitably cause harm to the environment. This is not the case. This is because the raw materials used to produce heat shrinkable film are specially refined, and the bad materials are extracted. Therefore, PVC is tasteless and has no irritation to human skin or respiratory system. For those who are allergic to wood and paint, it is appropriate to use furniture or kitchenware packaged in heat shrinkable film. By using heat shrinkable film as decorative film, people can use a lot of MDF, particleboard, plywood and fiberboard, and reduce the amount of wood used, thus reducing the damage to forests and even the environment. From this perspective, heat shrinkable film has made great contributions to the protection of the ecological environment.

shrinkable film

Heat shrinkable film label is a part of the label shopping mall, and now it is rapidly increasing. The share of the shopping mall is constantly expanding. It is estimated that the annual growth rate is about 15%, which exceeds the annual growth rate of the general label shopping mall by about 5%. It has great development potential and has become a bright spot in the label printing industry.

It is predicted that the domestic heat-shrinkable film shopping malls will increase by more than 20% in the next five years. The food industry is a shopping mall with large heat-shrinkable packaging. Heat shrinkable film is widely used in the packaging of various fast food, lactic acid food, beverages, snacks, beer cans, various wines, agricultural and sideline products, dry food, local products and so on.

Heat shrinkable film's product features:

1, heat shrinkable film, not afraid of water and dust, can not only achieve the packaging function, but also beautiful products and maintenance products.

2, heat shrinkable film clean, tasteless, environmentally friendly packaging materials.

3. heat shrinkable film has a large shrinkage rate, which can tightly wrap articles after thermal shrinkage. If the PE straight-through bag (with openings at both ends of the bag) is made after thermal shrinkage, the articles can be lifted at both ends of the opening, which can accept the weight of 15KG and is convenient to carry.

4. heat shrinkable film has a good transparency and a light transmittance of 80%, which can display products and publicize them invisibly, thus reducing the distribution mistakes in the logistics link.

5. heat shrinkable film has good flexibility, is not easy to be damaged, has strong explosion resistance, strong impact resistance, strong tear resistance and strong tensile force, and can replace box packaging.

Generally, heat shrinkable film is a one-time use, and a large number of PVC packaging films will produce more environmentally unfriendly wastes, which will bring many problems to the disposal of wastes. For example, plasticizers and stabilizers in PVC additives will pollute groundwater and soil when treated by landfill; However, when incineration is needed, carcinogens have adverse effects on the environment and human body. Relevant domestic industries should formulate relevant laws and regulations to restrict the use of PVC packaging film, and at the same time make great efforts to create new environmental protection and substitutes as substitutes for PVC film, and OPS film will be increasingly widely used.

Heat shrinkable film food packaging category:

Fast food, dairy food, beverages, snacks, beer and all kinds of alcohol, agricultural and sideline products, dry food, local products, labels and product sealing; Non-food packaging: labels and seals, fiber and clothing, sporting goods, electrical products, medical products, grease, detergents, stationery, toys, office supplies, kitchen utensils, daily necessities, groceries, building materials and other packaging.

PVC shrinkable film

Heat shrinkable film can be divided into printing grade and general packaging grade. Printing grade heat shrinkable film, as its name implies, is used for printing and can be processed into printed labels. Most drinks on the market use PVC labels, for example, labels used outside black tea, green tea and mineral water bottles. Ordinary packaging grade heat shrinkable film can be made into tubular film and L-shaped folded film as required, and can be processed into tubular bags and flat pocket. Although ordinary packaging grade heat shrinkable film can also be used for printing, the printing effect is not good, and there are few printable colors. Generally, one or two colors are printed.

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