Borosilicate Glass Balls for Laboratory Use from United States
Borosilicate glass spheres, unworked, designed for melting into labware components like stirrers or valves. These are not microspheres and are used in laboratory applications. They are classified under tariff item 7002.10.00 as glass in balls, unworked.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the balls are unworked and not optically worked
• Provide a certificate of analysis for borosilicate composition
• Ensure the diameter is above 1 mm to avoid microsphere classification