How to choose high quality stretch film?
With the increase in demand for stretch film, many brands of stretch film products have appeared on the market, and some products whose quality is not good can easily affect the image of stretch film products. We need to understand the quality requirements of stretch film. Produce high-quality stretch film products. So how to choose high-quality stretch film products ? The following is an introduction by Zhiteng stretch film manufacturer. 1. There needs to be no black impurities, the die head should be cleaned, no burnt plastic should fall into it, and the substance that can be found by the naked eye needs to be removed immediately. 2. The paper tubes must be aligned, not long on one side and short on the other. The standard for two hundred blanks is about 1cm. 3. When packing, pay attention to protect the edges from collisions, which will cause the edges to break and cause quality problems, and there must be no burrs. 4. Minimize the surface wrinkles at both ends and the ...