Tritium-Powered Beta Backscatter Gauge from Japan
Surface density gauge using H-3 beta source for measuring thin film coatings on circuit boards. Low-energy ionizing radiation apparatus under HTS 9022.29.80.00 for electronics manufacturing QC. Non-destructive.
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
• Typical 20 Ci activity; provide specific activity docs
• 0.1-50 µm measurement range certified
• ESDA handling procedures documented