Kieserite-Epsom Salt Mineral Blend from China

A natural mixture of kieserite (monohydrate) and epsom salts (heptahydrate) from evaporite deposits. Falls under HTS 2530.20.2000 as natural magnesium sulfates including epsom salts per statistical notes. Primarily used in soil amendment for magnesium-deficient crops.

Duty Rate — China → United States

25%

Rate breakdown

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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Provide mining origin documentation; blends must maintain natural mineral character

Test for purity - impurities >5% may require 2530.90 classification

Avoid retail bath packaging which risks reclassification under consumer goods