Semiconductor Vapor Phase Epitaxy Reactor Heat Exchanger from Japan
Shell-and-tube heat exchanger for VPE reactors, condensing precursor vapors and controlling epitaxial layer growth temperatures on wafers. Classified in HTS 8419.90.30.00 for heat exchange parts in semiconductor thin-film deposition equipment involving temperature change processes. Ensures uniform deposition without thermal runaway.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Certify chemical compatibility with hydride precursors (e.g
• silane); include reactor integration schematics
• Common issue: undervaluation based on stainless vs exotic alloy construction