Silica Soot Sintering Kiln for Fiber Preforms from United States
A specialized sintering kiln that consolidates porous silica soot preforms into dense glass rods suitable for optical fiber drawing, with precise temperature ramping to minimize defects. It is a critical post-deposition step. This kiln is used for making optical fibre preforms, falling under tariff item 8475.21.00.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the kiln is designed for optical fibre preform sintering, not general ceramics
• Provide temperature ramping specifications to CBSA
• Verify that the kiln's atmosphere control system meets Canadian standards