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2503.00.00.90/Caprock Native Sulfur/Canada

Caprock Native Sulfur from Canada

Native sulfur from limestone caprock formations above salt domes, mined via conventional methods. Under HTS 2503.00.00.90 as other non-sublimed, non-precipitated sulfur.

Duty Rate — Canada → United States

0%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))
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Import Tips

• Include stratigraphic reports proving caprock origin versus synthetic

• Avoid oversized blocks over 50kg that resemble cast precipitated sulfur

• Test for limestone impurities exceeding 5% to prevent 2530 reclassification

Caprock Native Sulfur from Canada — Import Duty Rate | HTS 2503.00.00.90