Iron Gate Valve Body for Crystal Grinder Gas Supply from Canada
Steel gate valve body part for hand-operated control of process gases in crystal grinders that shape semiconductor boules to wafer diameters. HTS 8481.90.3000 covers iron or steel parts of such hand-operated appliances in semiconductor prep equipment. Critical for maintaining precise flat grinding tolerances.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document connection to grinders via OEM specs; ensure welds meet ASME standards for pressure vessels; common pitfall is undervaluation based on weight