Sintered Dolomite Slabs for Glass Furnace Crowns from Canada
Large rectangular slabs sintered from dolomite for crown construction in soda-lime glass melting furnaces. HTS 2518.20.00.00 applies to these roughly cut, thermally processed slabs before final refractory shaping.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include slab thickness measurements (<0.508mm excludes mica definitions but confirms dolomite)
• Certify no precious stone content per Chapter exclusions for tariff validity
• Ship on pallets as industrial slabs, not finished articles, to stay in Chapter 25