Hotkin Natural Hydraulic Lime NHL 5 from Canada
Hotkin NHL 5 is an eminently hydraulic lime from silica-rich limestone, suitable for structural mortars and hydraulic renders requiring higher strength. It hardens via both carbonation and hydration processes. HTS 2522.30.00.00 specifically includes this as hydraulic lime excluded from 2825.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Conduct compressive strength tests post-import to validate hydraulic claims if audited
• Separate from non-hydraulic limes in manifests to avoid batch reclassification
• Comply with REACH-like regulations on silica dust for worker safety declarations