Hydrofluoric Acid 49%, 55%, 60% & 70%

Hydrofluoric Acid 49%, 55%, 60% & 70%

Molecular Formula: HF
CAS No. : 7664-39-3

Packaging available

25kg/drum & 35kg/ drum, 1200kg/IBC PE plastic drum.

Applications

1) Semi conductors: Used for etching silico wafers use in circuits and other chips
2) Metal surface treatment: Pickling of metals ( steel sheet prior to nickel plating, zinc prior to copper plating )
3) Preservative: Manufacture of wood preservatives
4) Glass Processing: Used as glazing i.e etching and engraving glass
5) Preservatives: Brewery to control fermentation
6) Textile: Removal of iron stains

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Specifications
Items Unit Standards
Content % ≥ 49% 55% 60% 70%
Sulfate % ≥ 0.0200 0.0200 0.0200 0.0200
Fluorosilicic acid % ≥ 0.0200 0.0200 0.0200 0.0200
Chloride % ≤ 0.0200 0.0200 0.0200 0.0200
Arsenic % ≤ 0.0005 0.0005 0.0005 0.0005
Iron % ≤ 0.0005 0.0005 0.0005 0.0005
Heavy metal % ≤ 0.0005 0.0005 0.0005 0.0005
Colorless % ≤ 30.000 30.000 30.000 30.000
Physical Properties
Items Standards
Colour Colourless
Appearance Liquid