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Glass Furnace Silica Brick from Canada

Fused silica bricks (>95% SiO2) fired for glass tank furnace crowns and walls. Excellent creep resistance at 1500°C+. HTS 6902.20.50 for high-silica refractory constructional bricks.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Include silica phase transformation curve data

Specify exact SiO2 crystal content percentage

Handle carefully to prevent spalling during shipping