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9031.90.70.00/Optical Comparator Edge Detection Chart/Mexico

Optical Comparator Edge Detection Chart from Mexico

Test chart with precision edges and patterns for verifying edge detection accuracy and resolution on optical comparators classified under 9031.80.40. Used for ISO calibration verification. Dedicated test accessory under HTS 9031.90.70.00.

Duty Rate — Mexico → United States

0%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))
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Import Tips

• Include traceability certification to metrology standards

• Specify pattern dimensions scaled for projector magnifications

• Distinguish from general test targets via machine-specific scaling