Borosilicate Lamp Tube from Canada
Open-ended borosilicate glass tube used as envelope for fluorescent lamps and gas discharge tubes. Falls under HTS 7011.90.00.00 as 'other' glass envelopes for electric light sources without fittings. Meets glass definition without absorbent/reflecting layers per notes.
Duty Rate — Canada → United States
16.6%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Confirm thermal expansion specs typical of borosilicate Type I glass for lamp use
• Document end-use as electric lamp envelope, not laboratory glassware
• Ensure tubes remain 'open' without end closures that would change classification