PPD MACHINERY

Is the thicker the stretch film, the better

21 Dec, 2022
rewindingmachines

0 min read

Stretch film is a kind of packaging material in the packaging industry. In the logistics industry, it can wrap goods tightly for transportation, and has good anti loose, rainproof, dustproof and anti-theft effects. The thickness of the stretch film is mainly determined by the packaging purpose and product shelf life, and then the theoretical shelf life of the designed package is estimated according to the thickness of the material and another packaging purpose to verify the rationality of the design of the stretch film package.

The thicker the stretch film is, the lower the viscosity is. The viscosity of the stretch film is its own characteristics. During production, the overly thick stretch film formed by adding DOV and other plasticizers has different requirements in the production process and needs to be changed in the production formula, which will reduce the self viscosity of the stretch film and reduce its overall quality.