Introducing perforated bricks for drainage with excellent compressive strength of 30N/mm² or more and outstanding durability!
Nishitazaki Kousan Co., Ltd. handles "perforated bricks." These bricks are used for slow filtration ponds and sun-drying pond water collection systems, and they exhibit superior durability and strength compared to ordinary bricks due to high-temperature firing. Additionally, their rectangular perforated shape contributes to uniform filtration across the entire surface of the filtration pond and helps prevent clogging of the filter material. 【Specifications】 ■ Dimensions (mm): 240mm × 100mm × 60mm ± 5mm ■ Compressive strength (N/mm²): 30 N/mm² or more ■ Water absorption rate (%): 10.0 or less ■ Weight (kg): 2.4 kg ■ Hole dimensions (mm): (9×27) 24 pieces *For more details, please refer to the PDF document or feel free to contact us.
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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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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.