River Shingle Heat-Treated for Concrete Mix
Heat-treated river shingle graded for concrete aggregates, enhancing bonding in high-strength mixes. Falls under HTS 2517.10.0055 as 'other' shingle, whether heat-treated, commonly used for concrete. Processing removes impurities for superior performance.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If untreated flint/shingle without heat process
Basic shingle/flint has specific subheading, separating from 'other' processed types.
If set in panels or tiles
Chapter exclusions cover stone setts/flagstones or worked products in other chapters.
If predominantly limestone river gravel
Limestone-dominant pebbles classify under limestone if purity meets flux standards.
Not sure which classification is right?
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Import Tips & Compliance
• Document heat-treatment process (temp/time logs) to justify inclusion despite processing
• Test for alkali-silica reactivity (ASTM C1260); reactive shingle risks reclassification or import bans
• Use bulk containers; bagged shingle may trigger retail packaging scrutiny
Related Products under HTS 2517.10.00.55
Crushed Limestone Gravel 3/4 Inch
Crushed limestone gravel with 3/4-inch diameter particles, commonly used as concrete aggregate in construction projects. It falls under HTS 2517.10.0055 as 'other' pebbles, gravel, or broken stone specifically for concrete aggregates, road metalling, or ballast. The material is derived from limestone of heading 2515 and processed into granules suitable for mixing.
Granite Chippings 1/2 Inch for Road Base
1/2-inch granite chippings produced from crushed granite stone of heading 2516, ideal for road metalling and asphalt mixes. Classified under HTS 2517.10.0055 as 'other' granules or chippings commonly used for road construction. Heat-treated versions maintain structural integrity for heavy traffic.
Basalt Pebbles 1-2 Inch Railway Ballast
1-2 inch basalt pebbles designed for railway ballast to provide track stability and drainage. Sourced from crushed basalt of heading 2514 but processed for aggregate use, fitting HTS 2517.10.0055 as 'other' pebbles for railway ballast. Durable against weathering and vibration.
Quartzite Crushed Stone Powder for Ballast
Fine powder from crushed quartzite stone of heading 2516, used as filler in railway ballast mixes. HTS 2517.10.0055 covers such 'other' powders of heading 2516 stones for ballast. Provides density and stability.
Flint Gravel 20mm for Road Metalling
20mm flint gravel selected for road metalling layers, offering high skid resistance. Although flint has a specific subheading, certain processed blends fall under HTS 2517.10.0055 as 'other' for road use. Sourced from heat-treated flint deposits.
Gneiss Broken Stone for Concrete Aggregate
Broken gneiss stone fragments for concrete aggregate, providing tensile strength. Derived from heading 2516 granite family, under HTS 2517.10.0055 as 'other' broken/crushed stone for concrete. Angular shapes lock effectively.