ETP Grade Refined Copper Strip Coil
Electrolytic tough pitch (ETP) refined copper strip in coil form, 0.4 mm thick and 450 mm wide, ideal for transformer windings. Classified under HTS 7409.11.5050 due to refined copper composition, coil presentation, and dimensions under specified limits. Meets high conductivity standards for electrical use.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If copper-tin bronze alloy
Bronzes (tin predominant per note (b)) fall under 7409.29, separate from refined copper.
If thickness 5 mm or greater
Thicker plates exceed the <5 mm thickness subheading limit.
If not in coil form but straight lengths
Non-coil plates/sheets/strip use 7408 series, based on presentation.
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Import Tips & Compliance
• Ensure ETP certification and conductivity specs (>100% IACS) for refined copper compliance
• Declare coil ID/OD precisely; uncoiling during inspection can trigger reclassification as sheet
• Watch for alloy contamination—zinc >1% per note (a) requires alloy heading
Related Products under HTS 7409.11.50.50
C101 Refined Copper Sheet Coil
C101 oxygen-free refined copper sheet in coil, 1.2 mm thickness and 400 mm width, used in heat exchangers. Fits HTS 7409.11.5050 for refined copper coils under 5 mm thick and <500 mm wide. High purity supports thermal applications.
Annealed Refined Copper Ribbon for Heat Sinks
Soft-annealed refined copper ribbon coil, 0.8 mm x 480 mm wide, used in heat sink fins. Falls under HTS 7409.11.5050 for refined copper coils under 5 mm thick and <500 mm width. Annealing enhances thermal conductivity.
C102 Refined Copper Strip Coil
C102 phosphor-deoxidized refined copper strip in coil, 2.0 mm thick x 400 mm wide, for busbars. HTS 7409.11.5050 due to refined (non-alloy) status, coil form, and dimension compliance. Low phosphorus aids weldability.
Battery Tab Refined Copper Foil Coil
Ultra-thin refined copper foil coil for lithium battery tabs, 0.15 mm thick x 150 mm wide. Precisely matches HTS 7409.11.5050 criteria for refined copper coils with thin strip dimensions. High ductility for tab welding.
RF Shielding Refined Copper Tape Coil
Refined copper tape coil for EMI/RF shielding, 0.25 mm x 300 mm wide, in continuous coil. HTS 7409.11.5050 classification for refined copper strip coils under size limits. Adhesive-free for cleanroom applications.
C-110 Refined Copper Foil Coil
A coil of refined C-110 copper foil with thickness 0.2 mm and width 300 mm, used for electrical applications like PCB manufacturing. It falls under HTS 7409.11.5050 as refined copper strip in coils, thickness under 5 mm, and width less than 500 mm. The high purity refined copper distinguishes it from alloyed variants.