Sulfur Hexafluoride Semiconductor Processing Gas from Canada
UHP SF6 for plasma etching in 300mm wafer fabrication (etchant for silicon dioxide). Electronically pure per Chapter notes under HTS 2812.90.0010.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Particle and moisture specs critical for acceptance
• Semiconductor supply chain reporting under CHIPS Act
• Special gas cabinets required for storage