Sr-90 Beta Thickness Gauge from Mexico
Non-contact gauge using Strontium-90 beta source to measure coating thickness on metal strips. Industrial quality control apparatus under HTS 9022.29.80.00 for ionizing radiation-based measurement excluding medical uses. Continuous web monitoring.
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
• Window foil thickness specs critical for beta energy transmission
• Calibrate against NIST SRM for customs verification