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White RHA comes from completely burnt rice husks, which has high silica content.

The applications of RHA include:
As a Pozzolan Material in the construction industry, as a filler, additive, abrasive agent, oil adsorbent, sweeping component, and as a suspension agent for porcelain enamels.
In the construction industry, RHA can be used as a partial replacement for cement.
Metal producers factories used RHA sprinkle the surface water basins metals (tundish) to prevent rapid cooling of the iron and steel so uniformly
Insect Protection
Soil Improvement

Black RHA comes from pyrolysis of rice husk in poor-Oxygen environment. The difference between Black RHA and White RHA is the carbon content, which much higher in Black RHA.

The applications of RHA include:
- Soil Stabilization
- As a Pozzolan Material in the construction industry, as a filler, additive, abrasive agent, oil adsorbent, sweeping component, and as a suspension agent for porcelain enamels.
- In the construction industry, RHA can be used as a partial replacement for cement.
- Modification material for bitumens.