Pneumatic Needle Valve for Precision Dopant Injection from Mexico
Micrometer-controlled pneumatic needle valve for dopant precursor injection in semiconductor crystal growth. Under HTS 8481.80.9040 as other precision pneumatic valve. 0.001" resolution flow control.
Duty Rate — Mexico → United States
12%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document dopant precursor compatibility (POCl3, PH3); include stem resolution specs; SEMI MFAS flow accuracy certification