Sell acid

Description

                           Specification
it is colourles trnsparet or light yellow fuming , pungent odour liqued can purify aluminum or unanium etch gass clearing 
product hydrofluoric acid  HF, acid flouhydric acid, flouhydric acid, fluorohydric acid,fluoric acid, hydrofluoric solution. other name El acido fluohidrico fluoro hidrogeno,flurohidrico, fluouro,flussasure,L\'acide fluohydrique, L\'fluorure, d hydrogene
                             USAGE.
Hydrofluoric acid,
purify aluminium and uranium
dissolve oxides
etch glas , carve a design , mark scale and text remove the oxide from the surface of silicon in semiconductor industry" picking " process of removeing oxygencontaining impurity from the sunface of stainless steel synthetize various fluorine containing organices , such as teflon(polytetrafluoroethylene)and refrigerant feron.