HPHT Natural Diamond Lapping Powder from Canada
High-pressure high-temperature processed natural diamond powder refined to 80 mesh fineness for optical lapping. HTS 7105.10.00.11 applies to this natural diamond dust meeting powder form criteria. Used in finishing precision optics, semiconductors, and hardened surfaces.
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
• HPHT enhancement doesn't change natural classification; retain processing certificates showing natural origin
• Use ESD-safe packaging for electronics industry shipments to maintain powder integrity