Other
Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included: > Containing trifluoromethane (HFC-23) or perfluorocarbons (PFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs): > Other
Duty Rate (from China)
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
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)
Products classified under HTS 3827.59.00.00
HFC-23 Refrigerant Blend for Industrial Chillers
A specialized refrigerant mixture containing trifluoromethane (HFC-23) used in low-temperature industrial chillers and cryogenic applications. Classified under HTS 3827.59.00.00 as it contains HFC-23 without CFCs or HCFCs. These blends provide efficient cooling for food processing and pharmaceutical storage.
PFC-14 Semiconductor Etching Gas Mixture
A perfluorocarbon (PFC-14, CF4) based plasma etching mixture used in microchip manufacturing processes. Falls under HTS 3827.59.00.00 due to PFC content without prohibited CFCs or HCFCs. Essential for precise semiconductor fabrication.
HFC-23 Fire Suppression Blend
Clean agent fire extinguishing mixture containing HFC-23 for data centers and electrical equipment protection. Classified in HTS 3827.59.00.00 as an HFC mixture free of CFCs and HCFCs. Provides zero-residue fire suppression.
PFC Electronics Cleaning Solvent Mixture
Precision cleaning solvent blend containing perfluorocarbons for removing flux residues from circuit boards. HTS 3827.59.00.00 classification due to PFC content without CFCs/HCFCs. Used in aerospace and medical device manufacturing.
HFC-23 Medical Aerosol Propellant Blend
Pharmaceutical-grade propellant mixture containing HFC-23 for metered-dose inhalers and nasal sprays. Classified under HTS 3827.59.00.00 as HFC mixture without CFCs/HCFCs. Meets USP standards for medical applications.
PFC-116 Chemical Vapor Deposition Precursor
Perfluorohexane (PFC-116) mixture used as precursor gas in chemical vapor deposition for optical coatings. HTS 3827.59.00.00 due to PFC content, CFC/HCFC-free. Critical for thin-film deposition in photonics industry.
HFC-23 Leak Detection Gas Mixture
Tracer gas blend containing HFC-23 for detecting refrigerant leaks in HVAC systems. Classified HTS 3827.59.00.00 as HFC mixture without CFCs/HCFCs. High sensitivity for pinpointing micro-leaks.
PFC Heat Transfer Fluid Blend
Perfluorocarbon mixture designed for high-temperature heat transfer in semiconductor manufacturing equipment. HTS 3827.59.00.00 classification for CFC/HCFC-free PFC fluids. Excellent thermal stability to 250°C.
HFC-23 Calibration Gas Standard
NIST-traceable calibration mixture containing known HFC-23 concentrations for greenhouse gas monitoring equipment. Classified under HTS 3827.59.00.00 as HFC mixture. Used by EPA-approved testing laboratories.
PFC Plasma Cleaning Gas Mixture
Perfluorocarbon blend for plasma chamber cleaning in semiconductor fabrication facilities. HTS 3827.59.00.00 for CFC/HCFC-free PFC mixtures. Removes polymer residues without damaging chamber components.