Caustic soda
>
> Caustic soda flakes manufactured by Aditya Birla Chemicals are free
> from foreign matter, dirt or other visible impurities. The product is
> widely used in the textile, soaps and detergents, pulp and paper
> industries and in alumina refineries.
>
> Sodium hydroxide as NaOH, per cent by mass: Min. 99.50
> Chlorides as NaCl, per cent by mass: Max. 0.10
> Sodium carbonate as Na2CO3, per cent by mass, Max. 0.40
