date:Oct 24, 2012
metal. The industry endured these problems and continued to use these two as primary food packaging material for several years, until other options emerged.
PET
After glass bottles and tin cans, there were a variety of plastic containers. These included polyester (PET); polycarbonate; polypropylene; polyethylene [which was available in two variants, namely high-density (HDPE) and low-density (LDPE)] and bi-axially oriented polypropylene (BOPP). These have superior barrier properties.
A few ye