Fused Quartz Bulb Envelope from China
A high-purity fused quartz open bulb envelope used in UV lamps and high-temperature light sources. Classified under HTS 7011.90.00.00 as an open glass envelope for electric lamps without fittings. Fused quartz qualifies as glass per chapter notes.
Duty Rate — China → United States
44.1%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Verify fused silica purity meets chapter definition of 'glass' including fused quartz
• Provide manufacturer specs confirming open design without fittings or attachments
• Avoid misclassification as finished lamps by ensuring no electrical components included