Expandabond Graphite Flakes for Gaskets from Canada
Acid-intercalated expandable graphite flakes that expand when heated, used in gasket production. Still natural graphite flakes under HTS 2504.10.5000 as the intercalation doesn't constitute chemical transformation.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Document intercalation process to prove retains natural graphite tariff; handle as hazardous if sulfuric acid residue present; specify expansion ratio specs