Wide range of granularity adjustments according to purpose! Production of sand in sizes tailored to your needs is also possible.
"Rapid filtration sand" is the sand used in rapid filtration ponds employing the rapid filtration method. The particle size is defined by an effective diameter ranging from 0.45 to 0.70 mm, with a uniformity coefficient of 1.7 or less, as specified by the Japan Water Works Association standards. However, in general, rapid filtration sands with effective diameters of 0.5 mm and 0.6 mm are commonly used in many water purification facilities. Our company can also produce sand in sizes tailored to your needs, so please feel free to contact us. 【Features】 ■ Low content of impurities, flat or fragile sand, and sand iron ■ Washing turbidity is below 30 degrees ■ Density is between 2.57 and 2.67 g/cm3 ■ Loss on ignition is 1.3% or less ■ Friction rate is 3.0% or less *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Lineup】 ■15L small bag ■Flecon Bag *For more details, please refer to the PDF document or feel free to contact us.
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【Usage】 ■ For water supply *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Our company is engaged in the production and sale of high-quality filtration materials, as well as the investigation, construction, and maintenance of filtration ponds. Our main products include the constant flow control device "Auto Flow ECO System" and "Rapid Filtration Sand" used in rapid filtration ponds.