of polyoxymethylene copolymer or acetal copolymer pom c polymer on the background from connected macromolecules

acetal atom atomic atoms background backgroundn badge biology chemical chemist chemistry collection component compound concept connected copolymer education element engineering formaldehyde formula graphic icon illustration information isolated laboratory macromolecular macromolecules medicine model molecular molecule object organic packet plastic polyacetal polyformaldehyde polymer polyoxymethylene pom research resin science sign structure symbol technology vector web white