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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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