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2517.10.00.20/Limestone Concrete Riprap/Japan

Limestone Concrete Riprap from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Include USACE riprap gradation certificates; secure heavy bulk shipments with proper dunnage; differentiate from armor stone which may require 6801 classification

Limestone Concrete Riprap from Japan — Import Duty Rate | HTS 2517.10.00.20