1.Caustic Soda, akali 99% & 96% 2.Properties: Flakes, Solid, Pearls 3.Used in chemical,metallurgy, ... % Min 0.5% Max0.03% Max0.005% Max98% Flakes 98.65% Min0.7 % Max 0.92% Max 0.007% Max ... 96% Flakes96.68% Min1.2% Max 2.5% Max 0.008% ... other uses in the chemical processing industry. Caustic soda-99/96 Flakes Solid Pearls