Heading 2525

Mica, including splittings; mica waste

5 declarable lines

Heading 2525 covers mica in its raw and minimally processed forms: crude mica, mica rifted into sheets or splittings, mica powder, and mica waste. It splits into three subheadings by form: 2525.10 for crude and rifted mica, 2525.20 for powder, and 2525.30 for waste. Every declarable line in the heading carries a general (MFN) rate of Free.

Products in this heading

Crude mica in lump or rough form
Split block mica
Mica splittings for built-up mica
Ground mica powder
Mica scrap and manufacturing waste
Mica flakes used as a filler in paint or cosmetics

How to choose the right subheading

Physical form: crude or rifted sheets go to 2525.10, powder to 2525.20, waste to 2525.30.
For rifted mica, whether the pieces are split block mica, splittings, or other.
Whether the mica has been cut, punched, or shaped into an article, which takes it out of heading 2525.
Whether the mica has been heat expanded, which also moves it out of the heading.

Often confused with

Mica sheets cut, punched or otherwise worked into articles
Once mica is cut to shape or made into an article, it leaves chapter 25.
Heading 6814
Expanded or exfoliated mica
Heat-expanded mica is treated as worked mica, not crude mica.
Heading 6814
Mica used as electrical insulation in assembled parts
Insulating fittings with mounting hardware are classified as electrical parts.
Heading 8547
Mica pigment dispersed in paint or ink
Once mica is a component of a prepared paint or pigment, chapter 32 applies.
Heading 3212
Mica-filled plastic compound
Mica blended into a plastic resin is classified with the plastic.
Heading 3901

Frequently asked questions

What is the HTS code for mica powder?

Mica powder is classified under 2525.20.00.00. The general (MFN) duty rate is Free.

What is the duty on mica waste?

Mica waste falls under 2525.30.00.00. The general (MFN) duty rate is Free.

How do I classify split block mica?

Split block mica is reported under 2525.10.00.10, with a general (MFN) rate of Free. If the pieces are splittings rather than split block, use 2525.10.00.20, also Free.

Guide written from the official schedule text. Rates quoted are general (MFN) rates; check the line page for trade agreement rates and the classification of your exact product.