Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls
Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading 6811 or 6812, or of chapter 69: > Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls
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 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Subheadings
Products classified under HTS 6806.10.00
Rock Wool Insulation Batt
Rock wool batts are made from spun molten rock fibers, formed into flexible sheets or rolls for thermal and acoustic insulation in buildings. Classified under HTS 6806.10.00 as rock wool in sheets or rolls, excluding finished articles of heading 6811 or 6812.
Slag Wool Bulk Fiber
Loose slag wool fibers derived from blast furnace slag, supplied in bulk for use in insulation mixes or as filler in construction. HTS 6806.10.00 covers slag wool and similar mineral wools explicitly in bulk form.
Mineral Wool Roll Insulation
Flexible rolls of intermixture slag and rock wool fibers designed for attic and wall insulation applications. Falls under 6806.10.00 for mineral wools in rolls, prior to assembly into finished panels.
Basalt Rock Wool Sheet
Sheets of basalt-based rock wool, a natural mineral fiber product used for fire-resistant insulation in HVAC systems. HTS 6806.10.00 includes all similar mineral wools in sheet form.
Acoustic Mineral Wool Roll
Rolls of high-density mineral wool optimized for sound absorption in studios and theaters, supplied in bulk rolls. Classified in 6806.10.00 as sound-insulating mineral wools in rolls.
Industrial Slag Wool Bulk
Bulk slag wool for industrial furnace linings and high-temperature insulation, intermingled with rock wool fibers. HTS 6806.10.00 for bulk mineral wools used in heat-insulating applications.
HVAC Rock Wool Roll
Rock wool rolls specifically for duct and pipe insulation in heating, ventilation, and air conditioning systems. In rolls under 6806.10.00 as basic mineral wool forms.
Firestop Mineral Wool
Loose-fill mineral wool packed in bulk for firestopping penetrations in walls and floors. HTS 6806.10.00 bulk mineral wools for heat-insulating uses.
Attic Rock Wool Insulation
Unfaced rock wool rolls for residential attic insulation, providing R-value thermal resistance. Sheets/rolls of rock wool in 6806.10.00.
Soundproofing Slag Wool Sheet
Slag wool sheets for soundproofing walls in commercial buildings, in flexible sheet form. 6806.10.00 for sound-absorbing mineral wools.
Marine Rock Wool Bulk
Non-combustible rock wool bulk for shipbuilding insulation, meeting IMO standards. Bulk mineral wool under 6806.10.00.
Pipe Wrap Mineral Wool Roll
Rolls of mineral wool for wrapping steam pipes and boilers. 6806.10.00 rolls for heat insulation.
Vermiculite-Free Rock Wool
Pure rock wool sheets excluding vermiculite, for allergy-sensitive insulation. HTS 6806.10.00 mineral wools.
High-Temp Slag Wool Roll
Slag wool rolls rated for 1200°F+ in industrial ovens. Rolls under 6806.10.00.
Eco-Friendly Mineral Wool Bulk
Recycled-content mineral wool bulk for green building certification. Bulk 6806.10.00.