... 5)Packing:in 25kg plastic woven bag Detailed Product Descriptions:Caustic Soda Solid 99% (NaOH) Usages:water treatment, paper making, textiles auxiliary agent, ... Chemical Factory,as a manufacturer we mainly produce caustic soda flakes and solid,its purity including:99%,96%,98%.Now 6 production lines are ... demands,Plz.feel free to contact us at any time.. Caustic Soda Solid 99% (SGS or CIQ report)