The harm of ultraviolet rays to heat shrinkable film

In addition to the high temperature in the hot summer, there is also an invisible threat. Ultraviolet rays are invisible to us, but the consequences can be experienced firsthand. Ultraviolet rays can not only damage the human body, but also damage the heat shrinkable film. The same is detrimental! Ultraviolet rays are a double-edged sword, both good and bad for the human body. The benefits can promote the blood circulation of the body and maintain the health. The disadvantages are as light as the aging skin, which will stifle the health. Especially in the summer, the ultraviolet rays are even higher and can directly affect the body. Physical health plays a stifling degree, so in the summer, people will know to hold up an umbrella with anti-ultraviolet function. This is also applied to shrink film for this reason. It is because outdoor ultraviolet rays can make packaging shrink film. The toughness is aging, which can be easily damaged. I believe everyone should have a basic understanding of shrink film, so there should be other questions about why the packaging shrink film should be added with UV protection. Shrink film is used in the sales and transportation of various products. Its main function is to stabilize, cover and protect the product. The shrink film must have high puncture resistance, good shrinkage and a certain shrinkage stress, and the film must not have holes. Since shrink film is often used outdoors, it is necessary to add UV anti-ultraviolet agent to achieve the function of packaging shrink film with UV protection. The product is wrapped and packaged with the help of the shrinkage force of the heat shrinkable film film to form a compact and space-free unit, so that the pallets of the product are tightly wrapped together, which can effectively prevent the products from interacting during transportation. Displacement and movement, while the adjustable stretching force can make the hard products close tightly, make the soft products compact, and have a unique packaging effect.