Copper Vacuum Vessel Evacuation Valve from China
A small copper valve used during manufacturing to evacuate air from vacuum flasks, creating the insulating vacuum. Falls under HTS 9617.00.60.00 as a specialized part of vacuum vessels, excluding glass inners.
Duty Rate — China → United States
19.7%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Supply technical drawings illustrating vacuum creation function to justify Chapter 96 classification
• Ensure valves meet pressure vessel standards if applicable, with material safety data sheets
• Invoice separately from assembly tools to avoid classification as machinery parts