Colorless clear liquid. Toxic, fire and explosion.
In the glass industry for etching and polishing glass and crystal products, ferrous and nonferrous metallurgy, petroleum industry, chemical industry.
|Residue in ignition %, max||0,001|
|H2SiF6, %, max||0,04|
|H2SO4, %, max||0,01|
|Fe, %, max||0,001|
|Cl, %, max||0,005|
|Pb, %, max||0,0005|
|РO4, %, max||0,001|
Hydrofluoric acid 70 % is also called hydrogen fluoride.
This is an aggressive substance (corrodes) with respect to glass and metals (except lead), so store and transport it in plastic containers (canisters or barrels) or in specially humified tanks.
If it gets on the skin, it causes burns, which appear after a long time (up to three days), so when working with it, behave as accurately as possible. With prolonged and / or extensive interaction of the skin with hydrofluoric acid, a lethal outcome is possible.
When the vapor of a small concentration is inhaled, the mucous membrane burns, and with a high concentration, a lethal outcome is possible.
We also offer a dry substitute for hydrofluoric acid - Ammonium bifluoride.
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