HTS Chapter 25 — Salt, Sulfur, Earths, Stone Tariff Rates (2026)

HTS Chapter 25 covers salt, sulfur, earths, stone, encompassing a wide range of products that enter the United States under various tariff classifications. Includes salt, sulfur, earths, stone, plastering materials, lime, cement, and other mineral substances used in construction and industry. The average MFN (Most Favored Nation) duty rate for products in this chapter is 0.3%. Individual rates vary significantly within the chapter, ranging from duty-free to well above the average. In addition to MFN rates, all imports face the 10% Section 122 tariff (effective February 24, 2026, expiring approximately July 24, 2026). Chinese imports in this chapter face additional Section 301 tariffs ranging from 7.5% to 100%, depending on the specific product classification. Common products in this chapter include Portland cement, Salt, Limestone, Marble, Granite, Gypsum, Sulfur, Sand and gravel, Slate. Related HTS chapters include Chapter 26, Chapter 27, Chapter 68, Chapter 69, which cover similar or complementary product categories.