Gallium Arsenide Crystal Puller Gas Purifier from Mexico
Purification apparatus for inert gas lines in GaAs crystal growth centrifuges, removing moisture, oxygen, and particulates to achieve ppb-level purity required for compound semiconductor production. HTS 8421.39.0115 classification applies due to its role in dust collection and air cleaning specific to semiconductor boule formation equipment. Prevents defects in high-value GaAs wafers used in RF and optoelectronics.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include material safety data for handling arsine gas systems during customs review
• Certify compatibility with Czochralski pullers via OEM documentation