Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof)
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 68.11 or 68.12 or of Chapter 69. > Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof)
Duty Rate (from China)
Products classified under Tariff item 6806.20.00
Exfoliated 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.
Exfoliated 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.
Exfoliated 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.
Expanded 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.
Expanded 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.
Expanded 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.
Foamed 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.
Foamed 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.
Foamed 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.
Hydroton 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.
Mixed 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.
Perlite-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.
Vermiculite-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.
Vermiculite-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.
Vermiculite 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.