Stainless Steel Needle Valve for Float Zone Crystal Puller from China
Precision steel needle valve part for fine flow control of argon gas in float zone crystal pullers producing monocrystalline semiconductor material. HTS 8481.90.3000 for iron/steel parts of hand-operated appliances in wafer manufacturing equipment. Essential for zone refining purity.
Duty Rate — China → United States
22.5%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Specify RF zone process compatibility; provide pressure ratings >10 bar; pitfall: classification as labware if not tied to industrial equipment