Calcined Flint Powder Road Dusting
Calcined (heat-treated) flint powder for road surface dusting and stabilization. HTS 2517.10.0055 includes heat-treated powders of such stones for road metalling. Dust suppression properties.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If natural siliceous sands
Non-crushed silica separates from stone powders.
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Import Tips & Compliance
• Calcination temp records (>800°C) validate processing
• Respirable silica warnings on SDS required
• Pneumatic unloading specs for powder handling
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.
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.
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.