Fused Silica Precision Metrology Rod from Japan
Ultra-stable unworked fused silica rod used as gauge blocks or reference standards in precision measurement. Classified HTS 7002.20.10.00 for unworked rods, valued for minimal thermal expansion.
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
• Include coefficient of thermal expansion data (<0.5 ppm/°C)
• Calibrate import weights precisely; metrology rods command high value
• ISO 17025 traceability documentation recommended