Tag: RO pretreatment sand

Filter Sand Manufacturer in India – High-Purity Silica Sand for Water Filtration Starke is India’s leading manufacturer and global supplier of high-purity filter sand for drinking water and industrial applications. With 85+ years of mineral processing expertise, we produce precision-graded silica sand that meets AWWA B100, EN 12904, and BIS requirements for water filtration. Our […]