Synthetic Industrial Diamond Powder from Japan
Finely ground synthetic diamond particles used in industrial applications like grinding and polishing. Classified under HTS 7102.29.00 as unmounted, worked industrial diamonds not specified as dust or powder elsewhere. Meets subheading note criteria with over 90% passing 0.5mm sieve.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Verify powder fineness meets 0.5mm sieve test per chapter notes; obtain lab certification for synthetic origin
• Declare as industrial use only to avoid jewelry misclassification
• Watch for re-export rules under Kimberley Process even for synthetics