The PTFE layer ea Aijiren's 20mm PTFE Septa composite diaphragm e hokahane le reagent. Ke inert ea lik'hemik'hale, e hanyetsanang le li-acids, alkalis, mocheso le ho khomarela. Esita le lithempereichara tse phahameng, e ke ke ea sebetsa le acidic concentrated, alkalis kapa li-oxidants tse matla. Ka nako e ts'oanang, elasticity ea rabara ea silicone kapa lesela la silicone e ka netefatsa ts'ebetso ea ho tiisa; Aijiren e latela taolo e tiileng ea tlhahiso ho netefatsa boleng ba sehlahisoa. Sehlahisoa se hloekile 'me se ka sebelisoa ka ho toba ntle le ho hlatsoa.