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Industrial Hydrofluoric Acid

 

 

Molecular formula: BHF                 

Physical property: it is aqueous solution of hydrogen fluoride. it is colorless transparent liquid with strong irritant odor

Quality index(GB 7744-2008):

  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 % ≤ 0.05 0.05 0.05 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: 10kg/drum, 25kg/drum, 200kg/drum; iron drum with plastic lining: 200kg/drum

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