1.Purity: 99.2% 2.Industrial grade and edible grade 3.ISO9001:2000 quality system and SGS certification 4.Punctal shipment & ... Characteristic: White granular (dense),white crystalline powder(light). anhydrous substance,easily ... stuff, glass, enamel, medication,paper-making and other chemical. 99.2% Soda Ash Dense (Na2CO3) manufacturer