Layer PTFE na Aijiren's 20mm PTFE Septa composite diaphragm yana cikin hulɗa da reagent. Yana da rashin ƙarfi a cikin sinadarai, mai jurewa ga acid, alkalis, zafin jiki da mannewa. Ko da a yanayin zafi mai girma, ba zai iya aiki tare da acidic acid, alkalis ko oxidants mai karfi ba. A lokaci guda, elasticity na silicone roba ko siliki Layer na iya tabbatar da aikin rufewa; Aijiren yana bin tsauraran sarrafa samarwa don tabbatar da ingancin samfurin. Samfurin yana da tsabta kuma ana iya amfani dashi kai tsaye ba tare da wankewa ba.