HTS code 3502.20.00.00 covers "Albumins (including concentrates of two or more whey proteins, containing by weight more than 80 percent whey proteins, calculated on the dry matter), albuminates and other albumin derivatives › Milk albumin, including concentrates of two or more whey proteins" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.