</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Food-Grade Slaked Lime for Tortilla Production from China

USP-grade slaked lime (calcium hydroxide) for nixtamalization of corn in tortilla and masa production. Under HTS 2522.20.00.00 as mineral slaked lime safe for food contact, not Chapter 28 pharma chemicals. Releases bound nutrients during alkaline cooking.

Duty Rate — China → United States

37.5%

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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Include FDA GRAS status and purity certificates >98% Ca(OH)2

Use food-safe packaging and provide lot traceability

Test for heavy metals to meet food additive standards