Phosphate Slag Construction Fill
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing fertilizer minerals
Mineral fertilizers classified by nutrient content, not aggregate use.
If unprocessed earths/ores
Chapter 25 mineral substances for other than construction.
If phosphorus chemical production slag
Specific chemical industry waste headings take precedence.
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Import Tips & Compliance
• Radioactivity screening certificates required for phosphate slag imports
• Gradation curve documentation essential for engineering specification compliance
• Neutralization treatment proof prevents acidic soil reaction claims
Related Products under HTS 2517.20.00.00
Slag Macadam for Road Base
Crushed slag from steel production processed into macadam aggregate for road construction base layers. Classified under HTS 2517.20.00.00 as macadam of slag, a common industrial waste material used directly in road metalling without further processing beyond crushing.
Steel Slag Road Ballast
Granular steel slag macadam designed for railway ballast and highway shoulders, incorporating dross fines. Falls under 2517.20.00.00 as macadam from industrial waste suitable for railway ballast per heading description.
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Blast Furnace Slag Aggregate
Crushed blast furnace slag macadam for concrete sub-base and drainage layers in road projects. Specifically classified in 2517.20.00.00 as slag-based macadam incorporating industrial waste materials.
Tarred Slag Macadam Mix
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Foundry Sand-Slag Macadam Blend
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