The meaning of rolled film

Specialized vocabulary
There is no clear and strict definition of rolled film in the packaging industry, it is just a commonly used term in the industry. Simply put, it is a packaging film that is rolled up. For packaging production enterprises, it is only one less process than producing finished bags. Its material types are also the same as plastic packaging bags, commonly including PVC shrink film roll film, OPP roll film, PE roll film, PET protective film, composite roll film, etc. Roll film is applied to automatic packaging machines, such as common bagged shampoos and some wet wipes, which use this packaging mode. The cost of using roll film packaging is relatively low, but it requires a matching automatic packaging machine. In addition, in our daily life, we will also see a kind of roll film application. In small stores selling cup of milk tea, Congee, etc., we will often see a kind of on-site packaging sealing machine. The sealing film it uses is roll film. The most common roll film packaging is bottle packaging, and generally uses heat shrinkable roll film, such as some cola, mineral water, etc. Especially for non cylindrical shaped bottles, heat shrinkable roll film is commonly used.
Generally used words
The first layer of meaning has a relatively wide range of applications in agriculture, industry, and even daily life. In agriculture, it generally refers to the operation of greenhouse film, mulching film, etc., and is commonly used in the term "film roller"; In industry, it generally refers to a process in the production of thin films; Simply put, it refers to the packaging film supplied in rolls; The term may also be used when it comes to the application of thin films (such as cling film, etc.) in daily life.