1)Caustic Soda (Sodium Hydroxide) 2)Purity:96%,98%,99%. 3)Form:Flakes,Pearls and Solid. 4)Package:N.W25kgs/bag Caustic Soda 96%,98%,99%Supplier1.Chemical ... sanitation, and hygiene products, and in the food and drug industry, etc3. Specifications:Standard: GB209-2006 ComposingFlake/Pearl/Solid99%Flake/Pearl ...