Basic Use Parameters Of Co-extruded Stretch Film

Stretch film manufacturers told us that the temperature for co-extrusion stretching should be controlled between 85-90 degrees Celsius, but according to different equipment and different stretching effects, the temperature can be adjusted appropriately.

The mold that requires stretching in the packaging machine should use arc-shaped molds as much as possible to ensure that the four corners have a certain thickness after stretching, reduce the amount of air leakage caused by damage after product packaging, and ensure the shelf life of internal products. The heat-sealing temperature is generally controlled between 125-130 degrees Celsius. In the case of ensuring the heat-sealing fastness, the heat-sealing temperature is required to be as low as possible to avoid stretching deformation during the heat-sealing process, as well as shrinkage and folding, sticking, leakage. sealing phenomenon.

The main work of stretch forming is to attach a flat stretchable film to a heating plate to increase the temperature of the film to increase the plasticity of the film.