HCFC-142b 99.99% Electronic Grade from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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