Tohkemy Corporation
Tohkemy Actibrick Perforated Brick Other Functional Filter Media
Manufacturer: Tohkemy Corporation
Model: Actibrick
Features
Used as a bottom drainage material in slow sand filters and solar drying beds
Our products comply with JIS standards and offer excellent permeability and durability
Our products comply with JIS standards and offer excellent permeability and durability
Specifications
| Item | Actibrick-21 | Actibrick-24 | JIS Brick Quality (Type 4) |
|---|---|---|---|
| Category | Perforated Brick | Perforated Brick | – |
| Dimensions (mm) | 210×100×60 (JIS compliant) | 240×100×60 | – |
| Hole Dimensions (mm) | 12×10 | 27×9 | – |
| Number of Holes | 32 | 24 | – |
| Weight (kg/unit) | Approx. 2.0 | Approx. 2.1 | – |
| Units Used (units/m2) | 69 (Top 47, Bottom 22) | 58 (Top 42, Bottom 16) | – |
| Compressive Strength (N/mm2) | 30 _or higher | 30 _or higher | 30 _or higher |
| Water Absorption Rate | 8% _or lower | 8% _or lower | 10% _or lower |
Manufactured and quality-controlled at a JIS-certified factory. Custom sizes are available upon request.
The number of units required may vary depending on the shape of the filtration pond. We recommend adding approximately 3% extra for installation purposes to the quantities listed above.
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