Thulium-170 Density Gauge from Japan
Soft gamma source (Tm-170) for measuring concrete density during road construction quality control. Industrial ionizing radiation apparatus under HTS 9022.29.80.00 excluding medical applications. Troxler-style surface mount.
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
• ASTM D6938 compliance certificate required
• Backscatter vs transmission mode specs documented
• Calibration rods imported separately under 9027