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