Presently, the modes of packaging thousands of edible and non-edible items are based on PET (polyethylene terephthalate) technology in which plastic injection molds give the shape and size of the desired container, be it the bottle or a jar. This is enabled by the hot runner systems that happen to be complex of heated components regulating the injection of the material in the cavities.
The concept of hot runner systems was initially developed during early 60s but gained popularity three decades later. One of the reasons for such delayed implication was the notion about PET containers not being environment friendly until scientists proved that PET is a recyclable material. Above all, the users realised that the hot runner systems are very cost effective and economical in the long run. Read more