Crystal Boule Casting Mold Frame from Japan
Structural frame for supporting ingot molds during semiconductor crystal growth in pullers and casters. Part of HTS 8454.90.00.60 as essential to metallurgical casting machines. Withstands thermal cycling.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include thermal expansion coefficients matching silicon
• Reference specific crystal grower models
• Prevent reclassification as building frameworks