Pneumatic Needle Valve for Precision Dopant Injection from Canada
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 — Canada → United States
12%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Document dopant precursor compatibility (POCl3, PH3); include stem resolution specs; SEMI MFAS flow accuracy certification