Supplier of Silica sand Thailand Pratibha Refractory Minerals http://pratibharefractory.com/ Silica sand is usually found in the form of quartz used to prepare white powder in various industries of glass construction, ceramics, chemical, paint, rubber, plastic and many more. This is also used for the filtration of water and agriculture. Pratibha Refractory Minerals is the biggest brand established for providing optimum quality of Silica sand.