1)Commodity:Caustic Soda Solid 2)Purity:99% 3)20'FCL=25MT 4)Certificate:SGS/CIQ ... Solid 99% (NaOH) Usages:water treatment, paper making, textiles auxiliary agent, aluminium industry,SGS,COA,CIQ CAS No.1310-73-2EINECS ... produce caustic soda flakes and solid,its purity including:99%,96%,98%.Now 6 production lines are running smoothly ... contact us at any time.. Caustic Soda Solid 99% (SGS or CIQ report)