PVC heat shrinkable film can be divided into PVC Printing Films and ordinary packaging grade. Printing grade PVC shrink film, as its name suggests, is used for printing and can be processed into printed labels. Most of the beverages on the market use PVC labels, such as those used in black tea, green tea, and mineral water bottles.
Ordinary packaging grade PVC shrink film, can be made into tubular film, L-shaped folding film, and can be processed into a tube bag, flat pocket, although the ordinary packaging grade PVC shrink film can also be used for printing, but the printing effect is not fine, and The number of printable colors is small, and one type is generally printed, and the other two colors are mostly.
PVC Printing Films
Widely used in the packaging of various commodities such as wine, food, sporting goods, disinfection tableware, electronic appliances, daily necessities, handicrafts, insurance products, audio-visual products, medicines, stationery, toys, portals, plastic hardware, glass ceramics, etc. The shape is more vivid and beautiful, and the product packaging grade is improved, and the product is protected from dust and squandering. It is currently an ideal film packaging material.
The commonly used PVC Heat Shrinkable Films is formed by mixing the polyvinyl chloride resin with a dozen auxiliary materials and then inflating it twice. It has the characteristics of good transparency, easy shrinkage, high strength, and the shrinkage rate can be adjusted freely according to user needs, and the operation is strong. But we must know how to judge the quality of pvc heat shrinkable film, then from what aspects to judge the quality of pvc heat shrinkable film is qualified?
First of all, look at the transparency and gloss of the pvc heat shrinkable film. High quality pvc heat shrinkable film has good transparency and gloss. If you look in the sun, there is not much impurities;
Second: the shrink film with good quality shrinks quickly when it is packaged through the heat shrinkable film. On the contrary, the shrink film with poor quality shrinks poorly, or it needs to be heat-shrinked two or three times to complete the shrinking process;
Third: sealing performance, when the shrink film passes through the heat shrinkable film packaging machine, the PVC heat shrinkable film will be broken, wrinkled or have small holes, which is caused by poor sealing performance. The high-quality PVC heat shrinkable film has good sealing performance. After the heat shrinking process is completed, it is very beautiful and can truly achieve the desired shrinkage effect;
Fourth: anti-puncture performance, that is to say, the shrink film plays the protective role we want during the transportation of the product. High quality shrink film has high puncture resistance and is not easy to pierce;
Fifth: The shrinking memory function is strong, and the shrinking tightness is good. It is reflected in the protection of the product when the whole product and parts shrink packaging, and the package is not scattered or the packaging is incomplete. This is similar to the second point.
The above is the standard for judging the quality of PVC shrink film. Have you learned it? In addition, if you have a demand for PVC shrink film, you can contact us, we can also provide you with PLA Shrinkable Films and PLA flexible film, welcome you.
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