Silimanite Refractory Bricks from Germany
Silimanite refractory bricks use high-alumina sillimanite minerals for creep-resistant performance in glass tank regenerator checkers. Their fired structure handles 1600°C+ with minimal deformation. HTS 6902.90.10 for these aluminosilicate bricks.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Phase analysis via XRD confirms sillimanite/mullite content
• Specify load-bearing capacity under high temperature for engineering approval
• Palletize with thermal blankets for transoceanic temperature control