Silicon Wafer Lapping Machine Exhaust Purifier from Japan
A gas and particulate filtration unit for exhaust from wafer lapping equipment, removing abrasive slurry mists and silicon fines to maintain precise thickness tolerances. This product falls under tariff item 8421.39.00 as gas filtering and purifying machinery for semiconductor manufacturing.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the exhaust purifier is classified as a complete filtering machine, not as a part of the lapping equipment
• Provide technical data on the filtration stages and efficiency for CBSA review
• Consider whether the unit is designed for continuous industrial use, which supports classification under this heading