Makatiriji amtundu wa SMS amapangidwa ndi nembanemba ya hydrophilic PES.Ali ndi kuyanjana kwachilengedwe konsekonse, PH osiyanasiyana 3 ~ 11.Amakhala ndi magwiridwe antchito apamwamba, kutsimikizika kwakukulu, komanso moyo wautali wautumiki, womwe umagwiritsidwa ntchito ku pharmacy, chakudya, makampani opanga mankhwala, zamagetsi, ndi magawo ena.Asanaperekedwe, katiriji iliyonse idakumana ndi mayeso a kukhulupirika 100%, kuwonetsetsa kuti zosefera zikuyenda bwino.Makatiriji a SMS amatha kubwerezedwa mobwerezabwereza pa intaneti kapena kupha tizilombo toyambitsa matenda.