Celestite Flotation Concentrate from Canada
Wet-processed celestite concentrate from froth flotation (97% SrSO4), dried but uncalcined. Still classified as crude celestite under HTS 2530.90.8010 since beneficiation doesn't constitute chemical change. Feedstock for strontium carbonate production.
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 flotation process doesn't alter mineral structure (XRD proof); declare moisture content accurately; distinguish from chemically precipitated SrSO4