HTS code 9902.13.34 covers "Artificial staple fibers of lyocell, not carded, combed or otherwise processed for spinning, measuring 1.7 or more but not over 3.3 decitex and having a fiber length each measuring 25 mm or more but not over 51 mm and containing 25 percent by weight of kaolin (provided for in subheading 5504.90.00)" 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.