The coating of BOPP labels(PRINT-LABELS) is generally a transparent BOPP film compounded on paper self-adhesive materials, which can achieve the purpose of protecting pattern, waterproof, anti-corrosion and increasing the stereoscopic impression of the label. Other types of films, such as PET and PVC, can also be used as composite films, but their application is not common. Due to the high cost, the coating of paper roll materials has been gradually replaced by UV glazing technology.
BOPP labels are divided into single-sheet coating and roll coating according to the printing processing method of raw materials. A single sheet of paper is coated on a laminating machine. The roll material is compounded at a compounding station in labeling machine or a special compounding machine.
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