Lead Flakes for XRF Calibration Standards from Mexico
Standardized lead flakes for calibrating X-ray fluorescence spectrometers in metal analysis labs. HTS 7804.20.00.00.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• NIST-traceable certificates mandatory for standard materials
• Flake uniformity specs for reproducible calibration
• Small qty imports; avoid bulk classification