HS Code 2518
Dolomite and Calcined Dolomite
HS code 2518 covers raw, calcined, or sintered dolomite, including blocks or slabs cut into rectangular shapes for industrial use.
4-digit Section VBulk
HS Code 2518 — Dolomite and Calcined Dolomite
This code covers dolomite, a calcium magnesium carbonate rock. It includes the raw mineral, as well as sintered or calcined (heat-treated) versions used in the steel industry for refractories and in agriculture as a soil conditioner.
What's included
- Raw dolomite
- Calcined dolomite
- Sintered dolomite
- Dolomite rammed mix
- Dolomite blocks
What's excluded
- Dolomite bricks → use
6902(Fired refractory shapes are classified as articles.) - Limestone → use
2521(Limestone does not have the high magnesium content of dolomite.)
Common examples
- Calcined dolomite for steel production
- Crushed raw dolomite for soil PH
- Sintered dolomite lining material
- Sawed dolomite slabs
Frequently asked questions
What is calcined dolomite?
It is dolomite that has been heated to high temperatures to remove carbon dioxide, often used as a flux in steel making.
Trade & shipping notes
- Typical duty range: 0% - 4.2%
- Documentation: Technical data sheets should specify whether the product is raw, calcined, or sintered.
- Typical shipping mode: Bulk
- Top exporters: China, Belgium, Thailand, India
- Top importers: Japan, South Korea, India, United States
Related HS codes
Key takeaway
Essential for metallurgy and agriculture; distinguish clearly between raw and thermally treated (calcined) forms.
Related HS codes
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