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8540.89.00.20/Geiger-Mueller Counter Tube/Mexico

Geiger-Mueller Counter Tube from Mexico

Geiger-Mueller tubes detect ionizing radiation through gas ionization avalanche in a cylindrical gas volume. Essential for radiation monitoring, they classify as gas electron tubes under HTS 8540.89.0020.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Specify fill gas (helium/neon mix typical) and operating voltage plateau

• NRC import license may be required for radiation detection equipment

• Dead time and efficiency specs help establish detector function

Geiger-Mueller Counter Tube from Mexico — Import Duty Rate | HTS 8540.89.00.20