Limestone Concrete Riprap from Germany
Large crushed limestone boulders (6-18 inches) used for erosion control in concrete structures and waterways. Classified in HTS 2517.10.00.20 as broken/crushed limestone for concrete aggregates or ballast. Chapter note (a) exclusions do not apply to this crude form.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include USACE riprap gradation certificates; secure heavy bulk shipments with proper dunnage; differentiate from armor stone which may require 6801 classification