... 25kg plastic woven bag Detailed Product Descriptions:Caustic Soda Solid 99% (NaOH) Usages:water treatment, paper making, textiles auxiliary agent, ... processingl In soft drinksWe Tianjin Kaiyi Chemical Factory,as a manufacturer we mainly produce caustic soda flakes and solid,its ... purity including:99%,96%,98%.Now 6 production lines are running smoothly. ...