由 hbfsfagtr 於 2022-04-29 16:23:25 發表 | 累積瀏覽 148
Now many food bags choose PE plastic, which is relatively stable in high and low temperature environment. The main materials of plastic food bags are generally PE, PP, and food bags are used for food packaging.
Almost all synthetic resins are used in plastics. wholesale plastic bag ， Resin is the main component in plastics and acts as an adhesive that binds the other components of the plastic together into a whole. Although adding additives can change the properties of plastics, the resin is the fundamental factor that determines the type, performance and use of plastics.
Commonly used resin types for plastic decorative materials are: polyethylene, polyvinyl chloride, polystyrene, phenolic resin, urea-formaldehyde resin, epoxy resin, polyester, polyurethane, polymethyl methacrylate, silica gel, etc.
Synthetic resins can be classified into thermoplastic resins and thermosetting resins according to the changes that occur when heated.
like：
Is it toxic to use pe plastic bags? is it safe?
Which PP and PE plastic bags for food are safe
