Gallium Arsenide Ingot Mold Assembly from United States
A precision machined mold assembly for casting GaAs compound semiconductor ingots in metallurgical crystal pullers. It is a part of casting machines for metal foundries producing semiconductor materials, classified under heading 84.54.
Duty Rate — United States → Canada
0%
Import Tips
• Declare the mold assembly as a part of casting machines under 8454.90.00, not as a semiconductor device
• Provide documentation showing its function in ingot casting
• Check if the gallium arsenide content requires any special import permits