Caustic Soda Flakes/Imports


Product Data Sheet (PDF)
Material Safety Data Sheet (PDF)

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Please note that this is NOT an official order, only an enquiry.


Minimum concentration of 98,5% m/m NaOH


Caustic soda lye is produced using membrane technology, concentrated up to the flake form using steam. The addition of caustic soda to liquid will cause a rise in temperature. If caustic soda becomes concentrated in one area, or is added too rapidly, or is added to hot or cold liquid, a rapid temperature increase can result in dangerous mists or boiling and spattering, which may cause an immediate violent eruption.


  • Acid neutralisation
  • Manufacture of sodium salts
  • Petroleum refining
  • Rayon manufacture
  • Rubber reclamation
  • Manufacture of plastics
  • Manufacture of soaps and detergents
  • Pulp and paper industry
  • Dyes and pharmaceutical industries
  • Aluminium processing




Sodium hydroxide as NaOH 98,5% m/m min.
Chloride as Cl- 0,04% m/m max.
Chlorides as NaCl 0,063 m/m max
Carbonates 0,5% m/m max.
Moisture 2,0% m/m max
Iron as Fe 15 mg/kg max.


Maximum allowable concentration 2 mg/m3.


Caustic soda flakes are stable even up to high temperature in absence of moisture and CO2. Generates heat in contact with moisture and acids (please also refer to Material Safety Data Sheet).


  • Polybags of 25 kg packed 40 x 25kg and stretch wrapped on a non-returnable pallet.
  • Non-returnable steel drums of 140 kg net.
  • Minimum delivery quantity 10 ton.