Fused Silica Unmounted Lens from China

A high-purity fused silica lens for UV applications in lithography and spectroscopy, unmounted and optically polished. It qualifies under HTS 9001.90.40.00 as an 'other' optical lens material, distinct from unworked glass per chapter exclusions. Ideal for high-transmission in deep UV wavelengths.

Duty Rate — China → United States

35%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Certify UV transmission specs to distinguish from common glass under 7007/7014 exclusions

Use anti-static packaging to prevent dust adhesion on polished surfaces

For high-value items, obtain advance ruling on material classification