of low density polyethylene – ldpe or pe-ld 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 icon illustration information laboratory ldpe low lowdensity macromolecular macromolecules medicine model molecular molecule object organic packaging packet peld plastic polyethylene polymer research resin science sign structure symbol technology thermoplastic tisk vector web