Wafer Grinder Pneumatic Feed Cylinder from Mexico
Pneumatic linear cylinder that controls the feed rate of semiconductor wafers through grinding, lapping, and polishing stations in wafer preparation equipment. Falls under HTS 8412.90.9025 as a linear acting pneumatic motor part specifically for bringing wafers to precise dimensional tolerances. Critical for maintaining wafer flatness required for fabrication processes.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include process flow diagrams showing integration with wafer grinders/lappers; certify pressure ratings suitable for cleanroom semiconductor environments
• Common pitfall is classifying as general machine parts instead of semiconductor-specific pneumatic components