3rd Party HDPE & PP Recycling. For companies wishing to maintain ownership of their plastic waste, Delta Recycling offer 3rd party reprocessing for High-density Polyethylene (HDPE) and Polypropylene (PP). We can accept either baled / bagged or lose plastic containers and profiles up to a maximum size of 2 meters x 1.2 metres. Reprocessed plastic is offered back to the client as 10mm flakes packaged in 1 tonne bulk bags fully cleaned and dry. Purchase of waste plastic. Delta pay the best prices in the market for used industrial packaging either for reuse or recycling. We can accept baled or loose plastic jerricans, drums, kegs and IBC's for either reuse or recycling. Operating a national collection scheme we can collect your waste plastic from anywhere in the UK. Environmental & Legislation. With in-house DGSA (dangerous goods safety adviser) and WAMITAB COTC (waste management industry training and advisory board - Certificate of technical competency) qualified employ