Shjiazhuang Standard Co. Ltd IS A professional manufacturer and exporter of Caustic soda. Applications:1.Used as the most common paint stripper on the wooder objects. 2.Used in conjunction with zinc for creation of the famous Gold pennies experiment. 3.Used in the refining of alumina containing ore (bauxite) to produce alumina (aluminium oxide) which is the raw material used to produce aluminium metal via the smelting process. 4.Used in soap making (cold process soap, saponification) 5.Food uses of sodium hydroxide include wasing or chemical peeling of fruits and vegetable.6.Used in the home as a drain cleaning agent for clearing dogged drains.Packing:Flakes or pearls: 25kg P.P Woven bags, Solid: 200kg400kg Iron drum, 25 mt in the 20" FCLStorage: Water-proof, humidity-proof, stored in ventilating and dry place