Silicon Carbide Boule Hydraulic Grinder from Canada
High-strength hydraulic cylinder for grinding silicon carbide boules used in power semiconductor devices. HTS 8412.90.90.05 classification for linear acting parts in equipment processing ultra-hard semiconductor materials. Rated for extreme grinding pressures.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document hardness ratings (Mohs 9.5+) and diamond wheel compatibility
• Include power semiconductor end-use statements for duty preference
• Avoid classification as ceramic processing equipment through specs