Phosphate Slag Construction Fill from Japan
Granular phosphate fertilizer production slag used as structural fill and pipe bedding in construction. Falls under 2517.20.00.00 as macadam of similar industrial waste.
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
• Radioactivity screening certificates required for phosphate slag imports
• Gradation curve documentation essential for engineering specification compliance
• Neutralization treatment proof prevents acidic soil reaction claims