Picrophyllite Natural Abrasive from Canada
Rare natural picrophyllite (magnesium phyllosilicate) crushed for specialty soft abrasives in optical polishing. Classifies in HTS 2513.20.9000 as other natural abrasives with Mohs hardness ~3.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Supply detailed mineralogical analysis due to rarity and potential 2530 earths confusion
• Limit processing to crushing/sizing; further milling risks Chapter 25 unspecified
• Document end-use as abrasive to avoid filler classification