Cationic Starch Retention Aid from Canada
Modified cationic starch solution used in paper mills to improve fiber and filler retention during the papermaking process. Classified under HTS 3809.92.5050 as a paper industry finishing preparation that enhances sheet formation and reduces white water solids. It improves paper strength and machine efficiency.
Duty Rate — Canada → United States
16%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Test for starch modification type (cationic degree) to confirm classification; provide mill trial data showing paper end-use; watch for reclassification as Chapter 35 modified starches if food-grade