Aluminum Phosphate and Zinc Phosphate Binder from Germany
Two-component phosphate binder system combining aluminum phosphate and zinc phosphate for ceramic shell molds in investment casting. Under HTS 3824.99.39.90 as inorganic mixture for precision foundry applications. Provides high-temperature resistance up to 1700°C for aerospace turbine blades.
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
• Certify phosphate purity >98% for investment casting specs; include gel time test results; ensure corrosion-resistant packaging for acidic phosphates