Chapter 6806 — Customs Tariff Headings
Subheadings
Products classified under Tariff item 68.06
Acoustic Mineral Wool Batts for Cinema Walls 65 cm
Acoustic mineral wool batts for cinema walls, 65 cm wide, are specialty batts designed for sound absorption in theaters. With a dense 3 lb/cu ft structure, they target low frequencies. They are classified under tariff item 6806.10.00 as sound-insulating mineral wool batts, with a width exceeding 61 cm.
6806.10.00Acoustic Mineral Wool Roll
Acoustic mineral wool rolls made from high-density mineral fibers, supplied in bulk rolls for sound absorption in studios and theaters. These rolls are unprocessed mineral wool in roll form, not yet cut into panels or covered with fabric, qualifying as slag wool or similar mineral wools in rolls under tariff item 6806.10.00.
6806.10.00Attic Rock Wool Insulation
Unfaced rock wool rolls for residential attic insulation, providing thermal resistance (R-value) in sheet or roll form. The product is raw rock wool without any facing or lamination, making it a basic mineral wool in rolls under tariff item 6806.10.00.
6806.10.00Basalt Fiber Acoustic Insulation Boards
Basalt fiber acoustic insulation boards are rigid panels spun from melted basalt rock, similar to rock wool, and are used for soundproofing in theaters and home theaters. The natural mineral fibers provide excellent acoustic absorption without chemical binders. They are classified under tariff item 6806.10.00 as rock wool or similar mineral wools in bulk, sheets or rolls.
6806.10.00Basalt Fiber Pipe Insulation Sleeve
Basalt fiber pipe insulation sleeves made from basalt rock wool, a mineral wool variant, for insulating process piping in chemical plants. These are classified under tariff item 6806.10.00 as similar mineral wools formed as pipe coverings for heat and sound insulation.
6806.10.00Basalt Fiber Rock Wool Batts 65 cm Wide
Basalt fiber rock wool batts, 65 cm wide, are used for fire-resistant insulation in attics and floors. Made from basalt rock, they are spun without organic binders for superior fire resistance. They are classified under tariff item 6806.10.00 as similar mineral wools in batt form, with a width exceeding 61 cm.
6806.10.00Basalt Rock Wool Batts 23-inch for Floors
Basalt rock wool batts, 23 inches wide, are optimized for underfloor soundproofing in multi-story buildings. As a natural mineral wool, they provide thermal and acoustic insulation. They are classified under tariff item 6806.10.00 as rock wool in batts, with a width of 23 inches (approximately 58 cm) falling within the 61 cm threshold.
6806.10.00Basalt Rock Wool Sheet
Sheets of basalt-based rock wool, a natural mineral fiber product used for fire-resistant insulation in HVAC systems. The sheets are unprocessed mineral wool in sheet form, qualifying as similar mineral wools under tariff item 6806.10.00.
6806.10.00Eco-Friendly Mineral Wool Bulk
Recycled-content mineral wool in bulk form for green building certification. The product is loose mineral wool fibers without any processing into sheets or rolls, qualifying as slag wool or similar mineral wools in bulk under tariff item 6806.10.00.
6806.10.00Eco-Friendly Rock Wool Batts 20-inch Width
Eco-friendly rock wool batts, 20 inches wide, are bio-soluble with low bio-persistence for safer handling in green building projects. They are made from rock wool fibers and provide thermal and acoustic insulation. They are classified under tariff item 6806.10.00 as rock wool batts, with a width of 20 inches (approximately 51 cm) within the 61 cm threshold.
6806.10.00Eco-Friendly Slag Wool Batts 24-inch Recycled Content
Eco-friendly slag wool batts with 85% recycled content, 24 inches wide, designed for green building projects seeking LEED certification. These post-industrial slag-based mineral wools provide thermal and acoustic insulation in bulk batt form, falling under tariff item 6806.10.00 for slag wool in sheets or rolls.
6806.10.00Exfoliated Vermiculite Acoustic Ceiling Tiles
Exfoliated vermiculite acoustic ceiling tiles are lightweight boards that incorporate expanded vermiculite and mineral binders for sound attenuation in commercial spaces like offices and schools. These tiles offer both thermal and acoustic insulation properties. They are classified under tariff item 6806.10.00 as similar mineral wools in bulk, sheets or rolls.
6806.10.00Exfoliated Vermiculite Pipe Insulation
Exfoliated vermiculite pipe insulation, compressed into pipe lagging for lightweight thermal protection on exhaust pipes. These are classified under tariff item 6806.10.00 as pipe coverings from expanded mineral materials like vermiculite mixtures.
6806.10.00Fire-Rated Rockwool Safe-n-Sound Batts 62 cm
Fire-rated rockwool batts, 62 cm wide, used for interior soundproofing and fireblocking in wood-frame construction. These rock wool batts provide both thermal and acoustic insulation, meeting ASTM E standards, and are classified under tariff item 6806.10.00 as rock wool in rolls.
6806.10.00Firestop Mineral Wool
Loose-fill mineral wool packed in bulk for firestopping penetrations in walls and floors. The product is unprocessed mineral wool in bulk form, used for heat-insulating applications, qualifying under tariff item 6806.10.00.
6806.10.00Foamed Slag Sound Absorbing Panels
Foamed slag sound absorbing panels are rigid panels produced from expanded foamed slag aggregates, used for industrial noise control in factories and machinery enclosures. The high-density mineral structure provides superior sound dampening. They are classified under tariff item 6806.10.00 as similar mineral wools in bulk, sheets or rolls.
6806.10.00High-Density Rock Wool Batts for Partition Walls 24"
High-density rock wool batts, 24 inches wide, designed for soundproof partition walls in multi-family housing. These thick mineral wool batts provide dual thermal and sound insulation, classified under tariff item 6806.10.00 as rock wool in bulk, sheets, or rolls.
6806.10.00High-Density Slag Wool Batts 48-inch
High-density slag wool batts at 48 cm width are used for industrial HVAC duct lining and vibration damping. They are made from slag wool and provide excellent thermal and acoustic insulation. They are classified under tariff item 6806.10.00 as slag wool batts, with a width of 48 cm within the 61 cm threshold.
6806.10.00High-Temp Slag Wool Roll
Slag wool rolls rated for high temperatures up to 1200°F+ for industrial ovens. The rolls are basic slag wool in roll form, qualifying under tariff item 6806.10.00 as slag wool in rolls.
6806.10.00HVAC Rock Wool Roll
Rock wool rolls specifically for duct and pipe insulation in HVAC systems. The product is basic rock wool in roll form, without any facing or lamination, qualifying under tariff item 6806.10.00 as rock wool in rolls.
6806.10.00Industrial Rock Wool Batts for Boiler Rooms 70 cm Wide
Heavy-duty rock wool batts, 70 cm wide, for high-temperature boiler room insulation, enduring 1000°F continuous exposure. These mineral wools in large batts are classified under tariff item 6806.10.00 for industrial heat insulation, excluding goods of Chapter 69.
6806.10.00Industrial Slag Wool Bulk
Bulk slag wool for industrial furnace linings and high-temperature insulation, intermingled with rock wool fibers. The product is a bulk intermixture of mineral wools, qualifying under tariff item 6806.10.00 as slag wool and similar mineral wools in bulk.
6806.10.00Marine Rock Wool Bulk
Non-combustible rock wool bulk for shipbuilding insulation, meeting IMO standards. The product is loose rock wool in bulk form, qualifying under tariff item 6806.10.00 as rock wool in bulk.
6806.10.00Mineral Wool R-13 Batts 15-inch Width
Mineral wool R-13 batts at 15 inches wide are used for energy-efficient wall insulation in homes and offices. Made from an intermixture of rock and slag wools, they provide thermal and acoustic insulation. They are classified under tariff item 6806.10.00 as mineral wools in batts, with a width of 15 inches (approximately 38 cm) within the 61 cm threshold.
6806.10.00Mineral Wool R-19 Wall Insulation Batts 23-inch
Mineral wool R-19 wall insulation batts, 23 inches wide with an effective width exceeding 61 cm when friction-fit, for standard 2x6 wall cavities. These uncompressed slag/rock wool batts are classified under tariff item 6806.10.00 as mineral wools in sheets or rolls.
6806.10.00Mineral Wool Roll Insulation
Flexible rolls of intermixture slag and rock wool fibers designed for attic and wall insulation applications. The product is a basic mineral wool intermixture in rolls, qualifying under tariff item 6806.10.00 as mineral wools in rolls.
6806.10.00Mineral Wool Studio Sound Baffles
Mineral wool studio sound baffles are suspension baffles constructed from slag wool cores wrapped in fabric, used for overhead sound control in recording studios and auditoriums. These pads provide broadband noise reduction through mineral fiber absorption. They are classified under tariff item 6806.10.00 as slag wool or similar mineral wools in bulk, sheets or rolls.
6806.10.00Mixed Mineral Wool Ceiling Baffles
Mixed mineral wool ceiling baffles are hybrid baffles blending rock wool, slag wool, and vermiculite for optimized acoustic performance in large venues. Custom densities are tailored for speech intelligibility. They are classified under tariff item 6806.10.00 as intermixtures of mineral wools in bulk, sheets or rolls.
6806.10.00Pipe Wrap Mineral Wool Roll
Rolls of mineral wool for wrapping steam pipes and boilers. The product is basic mineral wool in roll form, without any facing, qualifying under tariff item 6806.10.00 as mineral wools in rolls.
6806.10.00Rock Wool Acoustic Wall Panels
Rock wool acoustic wall panels are pre-formed panels made from rock wool fibers, designed specifically for sound absorption in interior walls and studios. These boards are compressed into rigid shapes with binders for enhanced acoustic performance and fire resistance. They are classified under tariff item 6806.10.00 as rock wool in bulk, sheets or rolls.
6806.10.00Rock Wool Insulation Batt
Rock wool batts made from spun molten rock fibers, formed into flexible sheets or rolls for thermal and acoustic insulation in buildings. The product is basic rock wool in sheet or roll form, qualifying under tariff item 6806.10.00 as rock wool in sheets or rolls.
6806.10.00Rock Wool Insulation Batts 16-inch Width
Rock wool insulation batts, measuring 16 inches in width and made from spun molten rock fibers, are designed for thermal and sound insulation in residential walls. They are classified under tariff item 6806.10.00 as rock wool batts, with a width of 16 inches (approximately 41 cm) within the 61 cm threshold.
6806.10.00Rock Wool Insulation Batts 24-inch Wide
Rock wool insulation batts made from spun molten rock fibers, measuring 24 inches (61 cm) in width, for thermal and sound insulation in residential walls. These fall under tariff item 6806.10.00 as slag wool, rock wool, or similar mineral wools in bulk, sheets, or rolls.
6806.10.00Slag 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. The product is bulk slag wool, qualifying under tariff item 6806.10.00 as slag wool in bulk.
6806.10.00Slag Wool Sound-Absorbing Batts 24-inch
Slag wool sound-absorbing batts, 24 inches wide, are produced from blast furnace slag and excel in sound absorption for interior partitions and ceilings. They are classified under tariff item 6806.10.00 as slag wool batts, with a width of 24 inches (approximately 61 cm) at the threshold for this classification.
6806.10.00Slag Wool Sound-Absorbing Batts 62 cm Wide
Slag wool sound-absorbing batts produced from blast furnace slag, 62 cm wide, used for acoustic insulation in commercial building ceilings and walls. These are classified under tariff item 6806.10.00 for mineral wools in batts over 61 cm wide.
6806.10.00Soundproofing Slag Wool Sheet
Slag wool sheets for soundproofing walls in commercial buildings, in flexible sheet form. The product is basic slag wool in sheet form, qualifying under tariff item 6806.10.00 as slag wool in sheets.
6806.10.00Unfaced Mineral Wool Batts R-30 Attic Insulation
Unfaced mineral wool batts with R-30 rating, exceeding 61 cm width, for attic insulation, offering superior fire safety over fiberglass. These are classified under tariff item 6806.10.00 as loose-fill alternatives in batt form, providing heat and sound insulation.
6806.10.00Vermiculite-Core Acoustic Door Seals
Vermiculite-core acoustic door seals are intumescent acoustic pads with exfoliated vermiculite cores, used for fire-rated door sound seals in commercial buildings. They expand under heat while maintaining sound insulation. They are classified under tariff item 6806.10.00 as similar mineral wools in bulk, sheets or rolls.
6806.10.00Vermiculite-Free Rock Wool
Pure rock wool sheets excluding vermiculite, for allergy-sensitive insulation. The product is basic rock wool in sheet form, qualifying under tariff item 6806.10.00 as rock wool in sheets.
6806.20.00Exfoliated Vermiculite Fireproofing Mix
Exfoliated vermiculite blended with binders for fireproof plaster and concrete additives, enhancing non-combustibility in construction applications. This product falls under tariff item 6806.20.00 as an exfoliated mineral material used for heat-insulating purposes.
6806.20.00Exfoliated Vermiculite Insulation
Exfoliated vermiculite insulation is a lightweight, expanded form of vermiculite heated to create airy layers for superior thermal insulation in buildings. It qualifies under tariff item 6806.20.00 as an exfoliated mineral material.
6806.20.00Exfoliated Vermiculite Packing Material
Exfoliated vermiculite used as void fill and shock-absorbing packaging for fragile electronics and instruments. This product falls under tariff item 6806.20.00 as an expanded mineral material providing lightweight cushioning.
6806.20.00Expanded Clay Geothermal Fill
Expanded clay aggregate used as backfill around geothermal heat exchanger loops for thermal conductivity. This product falls under tariff item 6806.20.00 as an expanded mineral material used in energy applications.
6806.20.00Expanded Clay Hydroponic Substrate
Pre-washed expanded clay substrate optimized for commercial hydroponic farms as an inert growing medium. This product falls under tariff item 6806.20.00 as expanded clay used for agricultural support.
6806.20.00Expanded Clay Pebbles (LECA)
Lightweight Expanded Clay Aggregate (LECA) consists of clay pellets expanded at high temperatures for use in hydroponics and drainage. This product falls under tariff item 6806.20.00 due to its foamed, expanded mineral structure.
6806.20.00Foamed Slag Aggregate
Foamed slag is produced by expanding blast furnace slag with air or steam for use as lightweight concrete aggregate. It matches tariff item 6806.20.00 as a similar expanded mineral material for construction insulation.
6806.20.00Foamed Slag Concrete Additive
Fine foamed slag powder incorporated into lightweight concrete mixes for improved insulation. This product falls under tariff item 6806.20.00 as an expanded mineral intermixture component.
6806.20.00Foamed Slag Lightweight Fill
Coarse foamed slag granules serve as lightweight fill material in civil engineering projects like road bases. Tariff item 6806.20.00 covers these expanded mineral products for structural insulation.
6806.20.00Hydroton Expanded Clay Balls
Hydroton brand expanded clay balls are spherical lightweight aggregates for hydroponic growing systems. Classified under tariff item 6806.20.00 as expanded clays used in inert media applications.
6806.20.00Mixed Expanded Mineral Loose Fill Insulation
Loose-fill insulation combining exfoliated vermiculite, expanded clay, and foamed slag for attic blowing applications. Tariff item 6806.20.00 explicitly covers such intermixtures for heat and sound insulation.
6806.20.00Perlite-Vermiculite Insulation Blend
Expanded perlite mixed with exfoliated vermiculite creates a high-performance loose-fill insulation for attics and walls. This product falls under tariff item 6806.20.00 as an intermixture of similar expanded mineral materials.
6806.20.00Vermiculite-Expanded Clay Mix
A premixed intermixture of exfoliated vermiculite and expanded clay for horticultural potting media and insulation fills. Covered by tariff item 6806.20.00 explicitly including intermixtures of expanded mineral materials.
6806.20.00Vermiculite-Expanded Perlite Chimney Insulation
High-temperature vermiculite-perlite mix for insulating prefabricated chimney liners and flues. Tariff item 6806.20.00 applies to expanded mineral heat-insulating intermixtures rated for continuous high-temperature exposure.
6806.20.00Vermiculite Pool Filter Media
Granular exfoliated vermiculite serves as filtration media in swimming pool and spa systems. This product falls under tariff item 6806.20.00 as an expanded mineral material used in water treatment filtration.
6806.90.00Acoustical Mineral Wool Ceiling Panels
Rigid ceiling panels made from compressed rock wool, designed to absorb sound waves and reduce echo in offices and auditoriums. They qualify under tariff item 6806.90.00 as sound-absorbing articles of mineral wools, not elsewhere specified.
6806.90.00Basalt Fiber Rock Wool Roofing Board
Rigid roofing insulation boards made from melted basalt rock fibers, providing thermal and acoustic insulation for buildings. They are classified as articles of mineral wool under this tariff item, which covers heat-insulating, sound-insulating, or sound-absorbing mineral materials other than those of heading 68.11, 68.12, or Chapter 69.
6806.90.00Calcium Silicate Boiler Wall Insulation Blocks
Dense molded blocks of calcium silicate used to line high-pressure boiler walls, offering thermal stability and fire resistance. They are heat-insulating articles made from expanded mineral materials, falling under tariff item 6806.90.00 as 'Other'.
6806.90.00Calcium Silicate Kiln Insulation Segments
Curved molded segments of calcium silicate for lining rotary kilns, providing heat insulation and erosion resistance. These are specialized heat-insulating articles of expanded mineral materials, classified under tariff item 6806.90.00.
6806.90.00Calcium Silicate Turbine Housing Insulation
Custom-molded linings for steam turbine housings, made from calcium silicate for extreme heat and vibration resistance. These are heat-insulating articles of mineral materials, falling under tariff item 6806.90.00.