Stroboscope Calibration Filter Set from China
Neutral density optical filters for lab calibration of stroboscope flash intensity and color temperature. Classified HTS 9029.90.60.00 as parts/accessories for accurate speed measurement validation. Excludes general lab glassware.
Duty Rate — China → United States
20.7%
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
• Certify optical density values (e.g
• OD 1.0-3.0); include NIST-traceable calibration certs
• Fragile—use padded cases; declare glass content