Pebble
Pebble refers to the natural oval-shaped particles with a diameter of 60 ~ 200mm, which are formed by long-term transportation of weathered rocks by water flow.
Application
Filter material, paving, decoration, construction, filter cushion, water treatment
Features
- Rough surface, microporous, internally developed porosity, large surface area.
- Interception capability, the general position 9-13kg / m.
- High filtration rate, usually 15-20m / h, up to 35kg / m.
- The backwash water consumption is low, only 30-40% quartz filter material.
- Chemical stability, strong anti-acid-base properties, long service life.