Product Specification calcite

We are from PT Niraku Jaya Abadi, a company engaged in the sale of chemical mineral products, selling calcite or calcite granules ex Japan, whose quality is no less even better than ex American products, with more competitive prices.

Calcite granules are commonly used by industry to raise and neutralize the pH of water. Calcite Granule is put in a water bath and replaced regularly.

Calcite Granules as a water filter serves to capture CO2 gas in acidic water so as to reduce the risk of corrosion (corrosive level) or dissolution of metal elements such as lead, iron, copper contained in pipeline material due to water flows that are too acidic.

Periodically replacing Calcite Granules depends on the conditions (pH, chemical elements, and flowrate) of raw material for water input / intake water, usually ranging from 1-2 months.


  • Color: White
  • Bulk Density: 90 lbs./cu.ft atau 1442 kg/m3
  • Mesh Size: 12 x 40
  • Specific Gravity: 2.6
  • Effective Size: 0.6 mm
  • Uniformity Coefficient: 1.5
  • Hardness: 3.0 {Mohs scale)
  • Composition:
    • CaCO3, 99% min.
    • MgCO3, 1% max.


  • A gravel support bed is recommended
  • Water pH range: 5.0-7.0
  • Bed depth: 24-30 in.
  • Freeboard: 50% of bed depth
  • Backwash rate: 8-12 gpm/sq.ft. (Backwash Volume per Filter Area)
  • Backwash Bed Expansion: 35% of bed depth
  • Service flow rate: 3-6 gpm/sq.ft. but may be modified to adapt to local conditions

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Niraku Jaya Abadi

4 Year
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Jl. Medokan Sawah Timur 22 Gn Anyar Rungkut Surabaya, Jawa Timur - Indonesia

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