Fused Quartz Bulb Envelope from Canada
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 — Canada → United States
16.6%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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