Hydrofluoric Acid,Ammonium Bifluoride, Fluozirconic Acid, It is colorless, clarified and smoking liquid Hydrofluoric Acid, Ammonium Bifluoride,Fluorosilicic Acid,Fluozirconic Acid,Fluoboric AcidProperties: It is colorless, clarified and smoking liquid, excitive tasteSpecification(%): Index No.1 No.2 No.3 No.4HF 40 55 60 70min H2SiF6 0.2 0.5 0.4 0.4max H2SO4 0.05 0.08 0.08 0.08max Application: As ...