Sodium hydroxide, chemical formula NaOH(caustic soda, caustic
soda, caustic soda, caustic soda ),Hongkong also known as
"caustic soda“, as a kind of high corrosive alkali, itis general
sheet or particle morphology, easily soluble in water and the
formation of the alkaline solution, otherwise deliquescence, easy
to absorb water vapor in the air.