Fused Silica Precision Metrology Rod from China
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 — China → United States
37.5%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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