Diaphragm Kit for Chemical-Resistant Reciprocating Pumps from Japan
Replacement diaphragm kit made from PTFE for metering reciprocating pumps under 8413.50.00, preventing leaks in aggressive chemical dosing for wafer etching processes. Falls under 8413.91.90.85 as other parts of those pumps.
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
• Provide chemical compatibility test reports; declare as pump-specific to avoid plastics chapter; watch REACH compliance for EU-sourced diaphragms