Horizontal Diffusion Furnace Tube from China
A long fused quartz tube for horizontal diffusion furnaces used in semiconductor dopant diffusion processes. It is engineered for gas flow dynamics and operation at temperatures above 1200°C. The glass's low thermal expansion coefficient places it under this tariff item.
Duty Rate — China → Canada
0%
Import Tips
• Provide proof of the glass's coefficient of thermal expansion not exceeding 5x10-6 per Kelvin
• Specify the semiconductor application in the customs declaration
• Keep records of the manufacturing specifications for potential CBSA audits