Dolomite Ramming Clay Mix from Canada
A dry clay-based ramming mix using calcined dolomite clay for lining induction furnaces, rammed into place before firing. Classified in HTS 3816.00.20.10 as a clay refractory composition explicitly including dolomite ramming mix, excluding heading 3801 products.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide furnace application specs and particle size distribution to prove ramming mix status
• Ensure no petroleum additives, as those may trigger 2710 classification; certify clay purity