... cleaning.u Wide range of applications3.SpecificationsBy diameter, there are specifications of φ600,φ800,φ1000,φ1200,φ1400,φ1600,φ1800,φ2300, length ... chemical products; and sodium sulfide, ion-exchange membrane (or diaphragm) caustic soda, potassium hydroxide, chromic anhydride, sodium hydrosulfide, calcium chloride dihydrate , sulfur ...