Fluoboric acid (Borofluoric acid) hbf4

Name: fluoboric acid16872-11-0] Molecular formula: HBF4 Molecular weight: 87.81 UN: 1775 Product Specifications : Index NameIndexIndex NameIndexA gradeB gradeA gradeB gradeAppearanceAchromaticity liquidSulphate(SO4)0.01% max0.03% maxPurity40%, 45%, 50%minFluorosilicate (SiF6)0.1% max0.2% maxFree boric acid(H3BO3)0.1 0.6%2.5% maxIron(Fe)0.01% max0.05% maxChloride(Cl)0.005%max0.05% max Uses: It is used to clean and etch the membrane of the oxide and silicate of metal surface, to clean aluminium and its alloy before plating. Its 2.5% solution is used to electropolish pure aluminium, to remove the solder of metal, as re-lotion for plating part. It is also used as catalyst for alkylation and polymerization, as antiseptic and chemical reagent, and as material to manufacture various fluoroborate. Packing: Packing with polythene plastic drum, 25kg or 250kg per drum.