Wafer Grinder Air Bearing Pad from United States
A porous carbon pad providing frictionless support for wafer grinding spindles in equipment of heading 84.25. This air bearing pad maintains less than 0.5 micron flatness and is critical for vibration-free surface preparation. It is classified under tariff item 8431.10.00 as a part of machinery of heading 84.25.
Duty Rate — United States → Canada
0%
Import Tips
• Document that the air bearing pad is designed solely for use with wafer grinding machines of heading 84.25
• If the pad is made of carbon or graphite, verify that it is not classified as an article of Chapter 68
• Keep technical drawings showing the pad's role in the grinding machine to support classification under 8431.10.00