PTFE Diaphragm Valve for Crystal Grower Fluid Control from United States
A hand-operated diaphragm valve with PTFE (Teflon) body for corrosive chemical handling in Czochralski crystal pullers during silicon boule growth. It is classified under tariff item 8481.90.00 as a part of other materials (plastics) for semiconductor equipment.
Duty Rate — United States → Canada
0%
Import Tips
• Specify the PTFE material and its grade
• Provide the valve model and manufacturer details
• Indicate the semiconductor crystal growth application to support classification