Electrodeionization Water Purification Module from Japan
EDI module using electrical current and ion-exchange membranes to continuously deionize water for high-purity applications like pharmaceuticals. Under HTS 8421.21.00.00 for advanced water purification.
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
• Specify resistivity output (e.g
• 18 MΩ·cm) and flow capacity for verification
• Include membrane stack configuration and power requirements
• Certify for ultrapure water standards (ASTM Type I)