I produced the quartz sand filter is made from natural quartz ore, by crushing, washing, screening, pickling, drying, secondary screening made of a water filter; commonly used quartz sand, there are two main An ordinary quartz sand, the other is sand refined quartz sand pickling have: hardness, good corrosion resistance, high density, high mechanical strength, interception capability, long life cycle characteristics, is the ideal material for chemical water treatment. refined quartz sand used in water treatment, the sand filter, generally two to three years to be replaced, usually after being contaminated, contaminants wrap quartz sand no longer play a very good The filtering effect, and can only be replaced. quartz sand through Iso9001-2000 quality system certification in neutral and acidic water value in the range of very stable, but there is little dissolved in alkaline water, chemical water treatment SiO2 increments of not more than 2mg / L.
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