Float Zone Crystal Grower Ladle Liner from Japan
A replaceable liner for ladles in float zone semiconductor crystal growing furnaces, used in metal foundry processes for purifying silicon rods. It withstands high temperatures during zone melting in metallurgy. Falls under 8454.90.00 as parts of casting machines for metallurgy.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label with exact thermal resistance specs and semiconductor application to confirm metallurgical classification
• Avoid bulk packaging misclassification by specifying 'for float zone casting machines' in commercial invoice
• Check for anti-dumping duties on refractory liners from certain origins