Fluorescent Glass Microspheres for Tracers from Japan
Polystyrene-core glass microspheres with fluorescent doping, ranging from 10 to 50 microns, used for flow visualization in scientific research. Despite the polystyrene core, the outer glass layer and the under-1-mm diameter place them under tariff item 7018.20.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Clarify that the polystyrene core does not change the essential character of the product as glass microspheres
• Provide a detailed description of the fluorescent doping to ensure it is not classified as a chemical product
• Ensure the diameter is verified to be under 1 mm for the entire batch