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9001.90.90.00/Diamond Turning Optical Blank/Canada

Diamond Turning Optical Blank from Canada

Precision-ground optical blank of germanium or ZnS prepared for single-point diamond turning into aspheres. HTS 9001.90.90.00 as unmounted optical substrate. Used in prototype IR optics manufacturing.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Surface roughness (rms <50nm) and figure error specs pre-turning

• Material certificates trace to optical-grade melts

• Prototype status may qualify duty relief programs

Diamond Turning Optical Blank from Canada — Import Duty Rate | HTS 9001.90.90.00