Wholesale High Quality Colloidal Silica

Silica sol is a kind of colloid which is formed by nm-grade particles SiO2, dispersed in water. It is odorless, tasteless and nontoxic and its chemical molecular formula is mSiO2·nH2O. [Term of Validity] One year for the alkali based, half a year for the acid based.  [Package] 25kg/250kg per plastic drum or 1000kg per square box. [Conditions for Storage &Transportation] Packing Maintain at 0-40℃ during storage and transportation to avoid freezing or exposing to the sun. It is forbidden to expose silica sol to air before using it. to the sun. It is forbidden to expose silica sol to air before using it.  [Remarks] Feel free to contact us if you have any special requirements. Item/Index Si02,% Na20,%≤ PH Value…