Natural Quartz Stone – Thai Summit Stone
2020-7-13 · Quartz sand is a kind of silicate minerals with solid, wearproof and stability of chamcial. The main mineral is SiO2. Quartz sand is the most usual and common filter, it is widely used, it can be used in common rapid filter, polluted water filter and water purifying mechanism for drinking water and industrial water. Types: Natural and artificial.
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