Diaphragm Hydraulic Accumulator from Mexico

Diaphragm accumulators employ a flexible diaphragm for fluid-gas separation, suited for compact spaces in wafer slicing saws and polishers during semiconductor wafer preparation. This product is under HTS 8479.89.95.65 for hydraulic accumulators in semiconductor manufacturing apparatus. They maintain system pressure and compensate for leakage in precision grinding equipment.

Duty Rate — Mexico → United States

12.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Obtain ATEX certification if for explosive atmospheres in fab cleanrooms

Submit engineering drawings showing diaphragm design for accurate classification

Avoid misdeclaration as general parts, which could lead to higher duties under 84.79