HCFC-142b 99.99% Electronic Grade from China
Ultra-high purity chlorodifluoroethane (HCFC-142b) for cleaning precision electronic components and carrier fluid in vapor degreasing. HTS 2903.74.01.00 classification as chemically defined acyclic halogenated hydrocarbon. Purity level prevents mixture classification.
Duty Rate — China → United States
38.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)
Import Tips
• Gas Chromatography (GC) analysis required to prove electronic grade purity
• Special ESD-safe packaging needed for semiconductor industry end-use
• Monitor annual EPA Federal Register notices for HCFC import quota changes