Amberlite IR-120 Strong Acid Cation Resin from Canada
Amberlite IR-120 is a gel-type strong acid cation exchange resin based on styrene-divinylbenzene copolymer, used in demineralization processes. Classified under 3914.00.60.00 as 'Other' ion-exchangers in primary forms from polymers like those in 3903. It complies with subheading notes requiring predominant monomer content.
Duty Rate — Canada → United States
3.9%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide lab analysis proving sulfonic acid functionalization for ion-exchange; label as primary form, not fabricated article
• Avoid pitfall of declaring as 'household' item which could shift to 3924
• Check for special free rates if fittings attached, per US notes