caustic soda - type: flake,pearl, solid form with first-class quality - timely shipment -manufactory CAUSTIC SODA FLAKE Type:1, CAUSTIC SODA FLAKE PURITY: 99%, ... 98%, 96%2, CAUSTIC SODA PEARL PURITY: 99% 3, CAUSTIC SODA SOLID PURITY: 96 ... 86-20-8255 2160Website: www.friendochem.com Caustic Soda/Caustic Soda Flake