Amashubhu e-PTFE (i-Polytetrafluoroethylene) eboshiwe, edume ngokumelana nezinga lokushisa okukhethekile, ukungabi namandla kwamakhemikhali, kanye nokumelana nokuhuzuka, ithole ukusetshenziswa okubanzi embonini yokupholisa uketshezi, ikakhulukazi kumaseva esikhungo sedatha nezinhlelo zokugcina amandla ebhethri.
