High-Density Mica Boards
Dense plates of agglomerated mica without support, used for rigid segment insulation in commutators. Fits HTS 6814.10.00.00 as plates of reconstituted mica, whether or not on support (support optional). Provides mechanical rigidity and insulation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing asbestos (prohibited in many markets)
Asbestos-cement products in 6813, but modern mica is asbestos-free.
If precious metal-plated mica
Articles with precious metals go to Chapter 71 per exclusions.
If for dental or medical instrument insulators
Specialized medical grade mica articles classify under Chapter 90.
Not sure which classification is right?
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Import Tips & Compliance
• Confirm density specs (>2.0 g/cm³ typical) and note 'no support' to match tariff description precisely
• Avoid bundling with metal parts, as sets may classify under Chapter 85
• Use HTS advisory opinions for rigid vs flexible determination
Related Products under HTS 6814.10.00.00
Agglomerated Mica Insulation Sheets
These are plates and sheets made from agglomerated or reconstituted mica, often backed with paper support, used primarily for high-temperature electrical insulation in motors and transformers. They fall under HTS 6814.10.00.00 as they are specifically plates, sheets, or strips of agglomerated mica, whether or not on a support. The product provides dielectric strength and thermal resistance essential for industrial applications.
Reconstituted Mica Paper-Backed Strips
Thin strips of reconstituted mica laminated on paper support, designed for slot insulation in electric motors and generators. Classified under HTS 6814.10.00.00 due to their form as strips of agglomerated mica on a support. They offer flexibility and high voltage resistance for winding applications.
Mica Laminate Sheets for Heaters
Agglomerated mica sheets on fiberglass or paper support, used in band heaters and cartridge heaters for thermal insulation. This product is under HTS 6814.10.00.00 as plates of reconstituted mica, providing heat resistance up to 1000°C. Ideal for industrial heating elements.
Flexible Reconstituted Mica Plates
Plates of reconstituted mica combined with resin and support for flexible insulation in commutators and switches. Falls under HTS 6814.10.00.00 as it matches the description of agglomerated mica plates on a support. Provides arc resistance and mechanical strength.
Agglomerated Mica Roll Sheets
Large sheets of agglomerated mica on paperboard support, supplied in rolls for die-cutting into insulation parts. Classified in HTS 6814.10.00.00 for sheets and strips of reconstituted mica on support. Used in high-voltage equipment manufacturing.
Mica-Phlogopite Composite Strips
Strips made from reconstituted phlogopite mica (synthetic) on polymer film support for vacuum circuit breakers. Under HTS 6814.10.00.00 as agglomerated mica strips on support. Offers superior thermal and electrical properties.