Semiconductor-Grade Fused Quartz Blank from United States
>- Large blanks of semiconductor-grade fused quartz in mass form for wafer carriers and diffusion tubes. This is glass in the mass of fused silica before any machining.
Duty Rate — United States → Canada
0%
Import Tips
• >- Ensure the blanks are unworked; any cutting or drilling would change the classification
• Provide a purity certificate to confirm semiconductor-grade quality
• Be aware that finished wafer carriers fall under heading 84.86 or 70.20 depending on the article