Molecular formula: BHF
Physical property: it is aqueous solution of hydrogen fluoride. it is colorless transparent liquid with strong irritant odor
Quality index(GB 7744-2023):
| I category | II category | ||||||
| item | HF-I | HF-I | HF-I | HF-II | HF-II | HF-II | HF-II |
| -40 | -55 | -70 | -30 | -40 | -50 | -55 | |
| hydrogen fluoride (HF),W% ≥ | 40.0 | 55.0 | 70.0 | 30.0 | 40.0 | 50.0 | 55.0 |
| non-volatile acid(H2SO4),W % ≤ | 0.05 | 0.08 | 0.08 | 1.0 | 1.0 | 2.0 | 2.0 |
| fluosilicic acid(H2SiF6),W % ≤ | 0.02 | 0.02 | 0.02 | 2.5 | 5.0 | 8.0 | 10.0 |
| ignition residue ,W% ≤ | 0.05 | 0.05 | 0.05 | / | / | / | / |
Uses: in villiaumite production, glass etching, metal cleaning and surface treatment
Packing: in polyethylene plastic drum: 20L drum, 200L drum, 1000L drum; ISO tank.