... packing; 3.Adhere the equality and mutual benefit Sodium hydroxide specification:Synonyms: Caustic Soda(Pearls, Flakes, Solid).Chemical ... 200 KG net sheet metal drums. Application: Sodium hydroxide is the principal strong used in the chemical industry. ... analysis, Soap production, Paper making, Alumina production, Biodiesel, Aluminium etching, Food preparation and used as Paint stripper, Gold pennies ...