... .Caustic soda flake,Caustic soda prill Caustic soda flakesAppearance: White flakes,Caustic SodaTechnical Data96%98%99%FlakesNaOH96% Min98%Min99%MinNa2CO31.4 ... ,soap industry, pharmacy and food industry,metal hardwares etc.Packing: Flakes/Pearls: 1)in 25kg p.w.bags..25MT/20'FCL.