PVC, Teflon and fluorion diaphragm were found to be better than glass as materials of diaphragm cell for their advantages in corrosion resistance as well as less electric resistance.

以氯乙、氟乙和全氟离子隔为材料的套管式隔槽具有隔水性强、阻小、耐碱液腐蚀、耐高铁酸盐氧化等优点，与平板式隔槽采用的普通玻璃和高硼硅玻璃相比是更加理想的化学合成高铁酸盐的槽及隔材料。