Rhenium Reference Standard Powder from Mexico
Certified reference material rhenium powder (NIST-traceable) for analytical calibration. Classified as unwrought powder HTS 8112.41.50.00 due to its base metal powder form. Used in spectrometry and quality control labs.
Duty Rate — Mexico → United States
3%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include certificate of analysis with every shipment for verification
• Declare as 'reference material' but emphasize unwrought status
• Small package sizes typical; watch undervaluation penalties