Semiconductor Boule Grinder Finned Tube Exchanger from Japan
Finned tube heat exchanger for precise temperature control in boule grinders indicating conductivity flats. Under HTS 8415.83.0060 as AC heat exchanger in wafer manufacturing equipment per statistical notes. High-efficiency design for cleanroom air conditioning.
Duty Rate — Japan → United States
26.4%
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
• Specify fin density and tube material for semiconductor thermal specs
• Coordinate with OEM declarations for consistent classification