Ikhwalithi ephakeme engu-33 yokwandisa i-borosilicate ecacile (Uhlobo 1, Ikilasi A) noma i-amber engu-51A (Uhlobo loku-1, Isigaba B) izitsha zeglasi, amakepisi wesitoreji anemigqa eqinile ye-PTFE, i-PTFE kufilimu/ukusekelwa kwegwebu kunikeza ukumelana kwamakhemikhali okubanzi, Akukwazi ukuzihambela, Iphakethe le-100