Synthetic Piezoelectric Quartz Resonator Wafer from China
Thin synthetic quartz wafers cut for high-frequency resonators, leveraging piezo-electric effect for signal generation in communication devices. HTS 7104.10.00.00 applies to these unmounted, graded synthetic stones. Essential for RF filters and mobile phone timing circuits.
Duty Rate — China → United States
20.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Submit manufacturer specs confirming >90% sieve passage if powdered form, per subheading note
• Document polishing/grading processes to distinguish from unworked Chapter 71 stones
• Segregate shipments from finished oscillator assemblies to prevent Chapter 85 misclassification