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Sr-90 Beta Thickness Gauge from Japan

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 — 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

Window foil thickness specs critical for beta energy transmission

Calibrate against NIST SRM for customs verification