What are the testing standards for stretch film?

Stretch film is the most used in our life and industrial production, it has good retraction memory and self-adhesive, can make the goods tightly wrapped into a whole, prevent flash collapse and dust pollution during transportation. The production of stretch film should meet international environmental health standards, many users do not know what testing standards when choosing stretch film, today Shenzhen Changlongxing technology stretch film manufacturer quality inspector for you to introduce the testing standards of stretch film:

1. In the production of stretch film, it is necessary to ensure that there are no black impurities in the stretch film. The die head should be washed clean, and no burnt plastic can fall into it.

2, when packing, pay attention to the maintenance of the margin do not knock the appearance of the marginal crack formation of quality problems. As long as there is a little crack, it will lead to the appearance that customers will break when they use this winding film, which is also a common problem reflected by customers, there can be no raw edge.

3, the edge of the material is broken to cut regular, if the cut uneven can not be shipped as products. Contains the time to do goods at both ends must roll regular, not here more there less.

4. Labels or certificates shall include: product name, weight, brand, grade (Level 1), specifications and models, and execution standard number. Inspection method: Visual inspection.

5. Packaging requirements: The packing boxes are firmly bonded, no leaks and clear marks.

6, Appearance requirements: transparent winding film, smooth, no broken end, no bubble, no perforation, no block, no rupture.