Plasma Etch Chamber Heat Exchanger Manifold from China
Multi-channel heat exchanger manifold for plasma etch chambers, recovering heat from exhaust gases in semiconductor wafer patterning equipment. Under HTS 8419.90.30.00 for heat exchange components in temperature-controlled etching machinery. Supports high-throughput RIE processes with thermal management.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Document plasma compatibility (e.g
• Teflon-lined for fluorinated chemistries); provide etch rate correlations
• Avoid: incomplete hazardous material declarations for chamber residues