2513.10.00.10/Crude Pumice Stone Blocks/China

Crude Pumice Stone Blocks from China

Large, unprocessed blocks of natural pumice stone extracted directly from volcanic deposits, remaining in their crude form without further shaping or sizing. This falls under HTS 2513.10.00.10 as crude pumice in irregular pieces, suitable for industrial grinding or further processing into abrasives. It has not been cut, powdered, or refined beyond initial mining.

Duty Rate — China → United States

35%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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Import Tips

• Verify the pumice is in crude or irregular pieces under 0.508 mm thickness exclusion for split materials; provide geological origin certificates to confirm natural status

• Ensure no heat-treatment beyond mining to avoid reclassification; common pitfall is contamination with processed abrasives triggering higher duties

• Declare exact weight and volume accurately as pumice is low-density; use ISPM-15 compliant packaging for bulk shipments to prevent quarantine issues