Construction Quicklime for Mortar from Canada
High-reactivity quicklime in pebble form for slaking into lime putty used in traditional masonry mortars and plasters. HTS 2522.10.00.00 covers this as quicklime, distinct from hydraulic or slaked variants.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Label as 'quicklime - caustic' with UN 1910 markings; test for available lime content (CaO >90%)
• Avoid shipping with moisture-sensitive goods due to exothermic slaking reaction