... :98.5% 99% Min 3.Grade:food&industry Grade potassium carbonate powder Usage:The product mainly used in TV glass shell, large ... ,decarization hydrogen peroxide,enamel,high-grade products ,printing and dyeing,potassium sodium silicate glass,etc.and is also an important inorganic ... shipping line5. Best service after shipment with emailsPackage and transportatin: potassium carbonate powder