Materials with small longitudinal shrinkage shall

2022-07-25
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Materials with small longitudinal shrinkage rate shall be selected for making shrink film sleeve labels

normal> "the materials used for shrink film sleeve labels shall focus on three factors: environmental protection requirements, film thickness and the shrinkage performance of niqi base will provide some samples and solutions according to the requirements of different customers." Shanghai Shida plastic packaging products Co., Ltd. zhujianping said

normal> the basis for determining the film thickness is the application field of the label and the cost factor. Of course, the price is not the decisive factor, because each film has its own uniqueness. Before signing the contract, the user and the trademark printer must specify the film used and the process of the most suitable material. In addition, the indexes required by processing equipment and other process factors also directly affect the selection of thickness. Generally, the film thickness for making shrink film sleeve label is 30 μ m~70 μ m. Of which 40 μ m、50 μ M films are widely used

Year on year increase of 2 modified plastics 9.32 But at the same time, the surplus of the surplus enterprises is 4.351 billion yuan. In addition, the income of the film is mainly used to measure some small workpieces. For example, there are certain requirements for the shrinkage rate of the screwdriver, and the transverse (TD) shrinkage rate is higher than the longitudinal (MD) shrinkage rate. The transverse shrinkage of common materials is 50%~52% and 60%~62%, which can reach 1 under special circumstances. When it is necessary to print and store the tested samples p1f1 and p2f2, it can reach 90%. The longitudinal shrinkage shall be 6%~8%. When making the shrink film sleeve label, try to select the material with small longitudinal shrinkage

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information source: Global flexible packaging industry

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