Machines for mixing mineral substances with bitumen
Machinery for sorting, screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form; machinery for agglomerating, shaping or molding solid mineral fuels, ceramic paste, unhardened cements, plastering materials or other mineral products in powder or paste form; machines for forming foundry molds of sand; parts thereof: > Mixing or kneading machines: > Machines for mixing mineral substances with bitumen
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8474.32.00.00
Portable Asphalt Mixer
Mobile mixing unit for on-site blending of mineral aggregates with bitumen, ideal for road repairs and small paving projects. Meets HTS 8474.32.00.00 as a machine specifically for mixing solid mineral substances with bitumen. Towable design with integrated bitumen pump.
Continuous Flow Bitumen Mixer
Automated machine with parallel flow design for continuous mixing of graded mineral aggregates with liquid bitumen in asphalt production lines. Classified in HTS 8474.32.00.00 for dedicated bitumen-mineral substance mixing operations. Features computerized proportioning.
Asphalt Batch Plant Mixer
Industrial mixer designed specifically for blending aggregate minerals like sand and gravel with hot bitumen to produce asphalt concrete for road paving. It falls under HTS 8474.32.00.00 as it mixes mineral substances in solid form with bitumen during asphalt production. Features heated chambers to maintain bitumen liquidity and precise proportioning controls.
Bitumen Drum Mixer
Rotary drum machine that mixes heated bitumen with mineral aggregates such as crushed stone in a continuous process for asphalt production. Classified under HTS 8474.32.00.00 due to its dedicated function for combining solid mineral substances with bitumen. Includes paddle agitators for uniform coating.
Twin-Shaft Bitumen Mixer
High-capacity mixer with counter-rotating shafts for intensive blending of mineral fillers and bitumen in asphalt plants. Specifically designed for homogeneous coating of solid mineral particles with bitumen, qualifying for HTS 8474.32.00.00. Used in large-scale road construction.
Bitumen Emulsion Mineral Mixer
Specialized mixer for combining water-based bitumen emulsions with mineral powders and aggregates for cold-mix asphalt applications. Falls under HTS 8474.32.00.00 for mixing mineral substances with bitumen derivatives in paste form. Includes emulsification shear pumps.
Mineral Filler Bitumen Pugmill
Heavy-duty pugmill mixer for incorporating fine mineral fillers, dust, and bitumen into asphalt filler mixes for void reduction in pavements. Meets HTS 8474.32.00.00 criteria for mixing powder-form mineral substances with bitumen. Twin auger design prevents segregation.