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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the insulation is in pre-formed sections or liners
Shaped articles of heat-insulating mineral materials fall under 6806.90.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the product is a loose-fill intermixture, not pre-formed insulation panels
• Provide temperature rating documentation to support classification
• Check if the product meets Canadian safety standards for chimney insulation
Related Products 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.