Inquiry (采购产品): Caustic soda Caustic soda is the main chemical for making water glass that is sodium silicate. The chemical would be in flakes form of 99% purity or solution of 50%.Please quote your best CIF price Ho Chi Minh city port and FOB in USD.Thanks and regards **** Hidden Message ***** Co:Biopower Tel:84-9-88889919 Email:nhandotrong@gmail.com Contact Person:Mr. Nhan Do Country:Vietnam **** Hidden Message ***** nhandotrong@gmail.com