Czochralski Crystal Puller from Mexico
A Czochralski crystal puller is a specialized casting machine used in semiconductor manufacturing to grow monocrystalline silicon boules from molten material by slowly pulling a seed crystal. It falls under HTS 8454.30.00.90 as 'other' casting machines of a kind used in metallurgy for producing high-purity ingots essential for wafer production.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify equipment qualifies as metallurgy casting machine per Chapter 84 notes; provide technical specs on boule pulling process
• Include end-user certificates confirming semiconductor material processing use to avoid misclassification