Precision Drilled Sight Glass Windows from Canada
Drilled and edge-ground glass from heading 7004 or 7005 for industrial pressure vessel sight windows. Worked for mounting but supplied loose, under 7006.00.4050.
Duty Rate — Canada → United States
14.9%
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
• Include pressure/temperature ratings in documentation for end-use verification
• Certify glass type (e.g
• borosilicate) to trace back to qualifying headings 7003-7005
• Package individually to avoid set classification; bulk risks lower duties but scrutiny