Phosphate-Bonded High Alumina Bricks from Germany
Phosphate-bonded high alumina refractory bricks use phosphoric acid binders fired to develop mullite-phosphate bonds for abrasion resistance in cyclone burners. Enhanced strength at elevated temperatures. HTS 6902.90.10 classification.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• P2O5 content declaration for chemical analysis
• Bond development temperature curve documentation
• Avoid water contact pre-installation advisory labels