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8412.90.90.25/Wafer Thickness Control Pneumatic Actuator/Mexico

Wafer Thickness Control Pneumatic Actuator from Mexico

Precision linear pneumatic actuator maintaining constant wafer thickness during simultaneous double-side grinding operations. Classified HTS 8412.90.9025 as part of linear acting pneumatic motors in semiconductor wafer grinders. Achieves ±0.5 micron thickness uniformity across 300mm wafers.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Document thickness uniformity specs and feedback loop integration; include vibration isolation design certification

• Common misclassification under general grinding machine parts