Copper Alloy Wafer Slicer Coolant Nozzle from Canada
Precision copper alloy nozzle directing coolant in wafer slicing saws of 8426 for thermal management during boule cutting. HTS 8431.49.1070 for copper parts in semiconductor wafer prep machinery. Prevents microcracks in sliced wafers.
Duty Rate — Canada → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Prove thermal conductivity specs for classification; include flow rate data
• Cleanroom packaging essential
• Avoid: classifying as plumbing under 7412