Agglomerated Mica Insulation Sheets
Agglomerated mica insulation sheets are plates and sheets made from agglomerated or reconstituted mica, often backed with paper support. They are used primarily for high-temperature electrical insulation in motors and transformers, falling under tariff item 6814.10.00 as plates, sheets, and strips of agglomerated or reconstituted mica, whether or not on a support.
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 sheets are specifically designed as electrical insulators
Electrical insulators are excluded from Chapter 68 and fall under heading 85.46.
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
• Ensure the sheets are clearly described as agglomerated or reconstituted mica on your commercial invoice to avoid classification disputes
• Verify whether the paper support is included, as this does not affect the tariff item but must be accurately documented
• Consult the CBSA's tariff classification advice service if you are unsure about the product's composition
Related Products under Tariff item 6814.10.00
Agglomerated Mica Roll Sheets
Agglomerated mica roll sheets are large sheets of agglomerated mica on paperboard support, supplied in rolls for die-cutting into insulation parts. They are classified under tariff item 6814.10.00 as sheets of agglomerated or reconstituted mica on a support, used in high-voltage applications.
Flexible Reconstituted Mica Plates
Flexible reconstituted mica plates are plates of reconstituted mica combined with resin and support for flexible insulation in commutators and switches. They fall under tariff item 6814.10.00 as plates of agglomerated or reconstituted mica on a support, providing flexibility and insulation.
High-Density Mica Boards
High-density mica boards are dense plates of agglomerated mica without support, used for rigid segment insulation in commutators. They fit under tariff item 6814.10.00 as plates of reconstituted mica, whether or not on a support, offering mechanical strength and insulation.
Mica Laminate Sheets for Heaters
Mica laminate sheets for heaters are agglomerated mica sheets on fiberglass or paper support, used in band heaters and cartridge heaters for thermal insulation. They are classified under tariff item 6814.10.00 as plates of reconstituted mica on a support, providing heat resistance.
Mica-Phlogopite Composite Strips
Mica-phlogopite composite strips are strips made from reconstituted phlogopite mica on polymer film support for vacuum circuit breakers. They fall under tariff item 6814.10.00 as agglomerated mica strips on support, offering superior thermal and electrical properties.
Reconstituted Mica Paper-Backed Strips
Reconstituted mica paper-backed strips are thin strips of reconstituted mica laminated on paper support, designed for slot insulation in electric motors and generators. They are classified under tariff item 6814.10.00 as strips of agglomerated mica on a support.