Boron Nitride Ceramic Bearing Rollers from Canada
Boron nitride ceramic rollers for vacuum laboratory systems and chemical reactors. Hexagonal BN structure fired for lubricity and thermal shock resistance in technical uses. Covered by HTS 6909.19.50.10 as ceramic bearings.
Duty Rate — Canada → United States
14%
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
• Certify non-cermet composition; high metal content shifts to 8113
• Use invoices specifying 'technical ceramic bearings for laboratory' to guide CBP
• Avoid Chapter 95 toy classification by documenting industrial tolerances