Calcined Dolomite Powder for Refractories from United States
Finely ground calcined dolomite produced by heating dolomite rock to high temperatures to remove volatiles, creating a stable refractory material. This calcined form is distinct from raw dolomite and falls under tariff item 2518.20.00.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the product is not mixed with other refractory materials like magnesia or alumina
• Provide documentation of the calcination process and final chemical composition
• Ensure the powder is not classified as a prepared refractory mix under Chapter 38