Kieserite
Mineral substances not elsewhere specified or included: > Kieserite, epsom salts (natural magnesium sulfates): > Kieserite
Duty Rate (from China)
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)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2530.20.10.00
Natural Kieserite Ore
Raw kieserite ore extracted from natural deposits, consisting primarily of magnesium sulfate monohydrate (MgSO4·H2O). It falls under HTS 2530.20.10.00 as a natural magnesium sulfate mineral not elsewhere specified in Chapter 25. Used mainly as a fertilizer ingredient and in industrial magnesium production.
Kieserite Mineral Flakes
Flaked natural kieserite obtained by crushing and screening raw ore, retaining its natural magnesium sulfate composition without chemical alteration. Classified under HTS 2530.20.10.00 as unprocessed kieserite per Chapter 25 notes excluding worked minerals. Primarily imported for agricultural soil amendment.
Crude Kieserite Crystals
Naturally occurring kieserite crystals mined from evaporite deposits, minimally processed by washing to remove surface impurities. HTS 2530.20.10.00 covers this unrefined natural epsom salt form excluded from chemical headings. Key import for magnesium supplement production.
Kieserite Evaporite Rock
Kieserite-bearing rock from ancient salt deposits, crushed to fist-sized pieces for transport. Falls under HTS 2530.20.10.00 as natural kieserite per full hierarchy excluding processed forms. Used in bulk for fertilizer plants.
Washed Kieserite Concentrate
Kieserite concentrate produced by water washing raw ore to >95% purity, without drying or heating. HTS 2530.20.10.00 applies to this minimally processed natural magnesium sulfate. Imported for industrial de-icing and agriculture.