Czochralski Crystal Puller Furnace Chamber from Germany
The furnace chamber is a critical replaceable part in Czochralski crystal pullers used to grow monocrystalline silicon boules for semiconductor wafers. It provides the high-temperature controlled environment necessary for the pulling process without electrical components. Classified under 8487.90.00 as a machinery part not specified elsewhere in Chapter 84.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Verify the part is free of electrical features per Chapter 84 notes; obtain manufacturer specs confirming non-electrical nature
• Ensure documentation proves semiconductor end-use for potential duty benefits
• Watch for misclassification as complete machinery under 8486