Glass Furnace Silica Brick from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include silica phase transformation curve data
• Specify exact SiO2 crystal content percentage
• Handle carefully to prevent spalling during shipping