Also known as high-modulus polyethylene, (HMPE), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million amu.
A makwaara dị ka nnukwu-modulus polyethylene, (HMPE), o nwere agbụ ogologo ogologo, yana ngwongwo na-adịkarị n'etiti 3.5 na 7.5 nde amu.