of high density polyethylene – hdpe or pe-hd polymer on the background from connected macromolecules

atom atomic atoms background badge bags biology chemical chemist chemistry collection component compound concept connected copolymer density education element ethylene formula graphic green harder hdpe high highdensity icon illustration information laboratory macromolecular macromolecules material medicine model molecular molecule more object opaque organic packaging packet pehd plastic polyethylene polymer research resin science sign structure symbol technology than thermoplastic tisk vector web