THE PLASTICS RECYCLING CHAIN Plastics recycling = recovering used plastic products and packaging at the end of their useful life and reprocessing the material for use in new products and packaging. PLASTIC IDENTIFICATION FLOW CHART Knowing which type of plastic you're working with is a cornerstone of good plastic welding. Petrochemical Flow Chart The Petrochemicals flowchart traces the main steps between raw materials and feedstocks through to building blocks, derivatives and everyday products. Plastic Packaging , why we need it ? Plastic packaging serves several important functions in our modern lives, which are the primary reasons we rely on it Polymer Formation How polymer forms ?