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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.7%+35.0%37.7%
🇲🇽Mexico2.7%+10.0%12.7%
🇨🇦Canada2.7%+10.0%12.7%
🇩🇪Germany2.7%+10.0%12.7%
🇯🇵Japan2.7%+10.0%12.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3921.90Lower: 14.8% vs 37.7%

If film support with mica impregnation predominates

Flexible plastic sheets with mica classified by plastic matrix in Chapter 39.

6815.99Lower: 10% vs 37.7%

If added mineral binders creating 'articles'

Agglomerated minerals beyond mica sheets become 'other articles' in 6815.

8548.00.00.00Lower: 35% vs 37.7%

If for electrical parts and accessories

Mica components designed as machine parts shift to Chapter 85.

Not sure which classification is right?

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Import Tips & Compliance

Distinguish synthetic phlogopite from natural mica in invoices to avoid Chapter 25 raw material classification

Comply with origin rules if using preferential tariffs, as processing location affects mica origin

Watch for EPCB (electrical product) specific documentation requirements

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.

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.