Aluminum Phosphate and Zinc Phosphate Binder from Japan
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 — 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
• Certify phosphate purity >98% for investment casting specs; include gel time test results; ensure corrosion-resistant packaging for acidic phosphates