Print roll film roll film is on the client machine with automatic packaging, usually have a single layer structure, a double layer structure, the three-tier structure, the four-layer structure.
Layer structure usually OPP sealing film, CPP film, PE film. Mainly used for tightness less demanding, more disposable products, such as: bread film, knife and fork category, Lee is the letters, toothpaste, toothbrush sets, hardware accessories and so on; there are generally two-tier structure PET + PE, PET + CPP , BOPP + CPP, BOPP + PE, mainly used in snack foods, candy, cakes, daily chemical products, packaging film sealing performance than single good.
There are usually three-tier structure PET + VMPET + PE / CPP, PET + AL + PE / CPP, PET + NY + PE / CPP, widely used in cosmetic sampler roll film, water type oil, tea, cooked food category, jam on other types of packaging, anti-acid oils packaging film is strong, seal more firmly. Four-layer structure usually have PET + PET + PA + PE / RCPP, PET + PA + AL + PE / RCPP, usually on the need for high-temperature cooking requirements of cooked products, sauces, oils and other products packaging.
