Natural Hydraulic Lime NHL 2 from Japan
Natural hydraulic lime NHL 2 is a powdered binder made from limestone containing natural silica and alumina impurities, calcined to produce hydraulic properties. It sets and hardens through a chemical reaction with water, even underwater, distinguishing it from non-hydraulic limes. Classified under HTS 2522.30.00.00 as hydraulic lime, excluding calcium oxide and hydroxide of heading 2825.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain certificates verifying hydraulic properties and natural origin to avoid reclassification as slaked lime under 2522.20
• Check for free moisture content limits, as excessive water may trigger heading 2522.10 classification for quicklime
• Provide end-use documentation for construction to prevent misclassification under Chapter 38 cement mixtures