1)Caustic Soda:NAOH 2)Appearance:White flakes, solid, pearl. 3)Used.detergent,textiles 4)Quality Supplier Caustic Soda1 )ABOUT OUR SERVICEa, quickest response ... Graded. Place of Origin: Hubei China (Mainland)e. Other Names: Caustic Soda Flake/Solid/Pearl3 ) Caution:Avoid moisture, water and sunlight. Store ... hygiene products, and in the food and drug industry, etc. Caustic Soda