The stretch wrap packaging machine is divided into two types: post-stretch models and pre-stretch models. Post-stretch completes stretching between the loads and the stretch film. This method has a low stretch ratio (about 15%~20%). If the stretch ratio exceeds 55%~60%,
More we need to know about stretch film
Stretch film also known as stretch wrap first was made with PVC as the base material and DOA as the plasticizer for self-adhesive function. Due to environmental protection issues, high cost (relative to PE, relatively large proportion, small unit packaging
What are the important parameters of the pallet packer machine?
When we choose an automatic pallet packer machine, we often consult a sales person to understand the relevant parameters. Through the parameters, we can understand the specific performance of the equipment, which parameters are particularly important and if non-standard customization
Application fields of stretch film
All packaging methods having the use of stretch film must be stretched, and the stretching forms of pallet mechanical packaging include direct stretching and pre-stretching. There are two types of pre-stretching, one is roll pre-stretching and the other is electric