InP Crystal Grinder Chuck from Germany
Vacuum or magnetic chuck for securing Indium Phosphide crystal boules during precision diameter grinding. Part of crystal grinder equipment HTS 8451.90.90 statistical note (a)(ii)(A). Accommodates fragile III-V compound crystals prone to cracking.
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
• Specify vacuum port configuration, crystal diameter range, and rotation speed rating
• Include InP thermal expansion matching material certification