Mica Powder Mill Feed Waste
Pre-ground coarse mica waste prepared as feedstock for final powder milling operations is classified as mica waste. This semi-processed material is not fully micronized and is used directly in coarse applications. It falls under tariff item 2525.30.00 as unworked mica waste.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the material is ground to a fine powder
Fully ground mica is classified as mica powder, not waste.
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 material is not fully powdered, as that would classify under mica powder
• Keep the particle size documentation to demonstrate it is waste, not finished powder
• Declare the exact weight and moisture content for accurate duty calculation
Related Products under Tariff item 2525.30.00
Electrical Grade Mica Reject Waste
Rejects from quality control of electrical-grade mica sheets, containing defects such as inclusions or cracks, are classified as mica waste. These scraps are unsuitable for precision electrical applications but retain value for recycling into mica powder or other industrial uses. The material falls under tariff item 2525.30.00 as unworked mica waste.
Industrial Mica Waste Fines
Fine particulate byproducts from processing and trimming mica sheets for industrial applications are classified as mica waste. This material consists of small fragments and dust that are not suitable for direct use but can be further processed. It falls under tariff item 2525.30.00 as unworked mica waste.
Mica Mining Tailings Dust
Fine dust tailings from mica ore beneficiation and washing operations are classified as mica waste. This low-grade material is suitable for low-end fillers or landfill amendment after processing. It falls under tariff item 2525.30.00 as unworked mica waste.
Mica Sheet Trimmings Waste
Trimmings and edge scraps from cutting mica sheets for electrical insulators represent classic mica waste. These irregular fragments are unsuitable for precision applications but can be ground for reuse. They fall under tariff item 2525.30.00 as unworked mica waste.
Mica Splitting Operation Scrap
Irregular scraps and rejects from mica splitting operations, too fragmented for standard splittings, are imported as mica waste. These pieces are typically milled into mica flakes for decorative or industrial uses. They fall under tariff item 2525.30.00 as unworked mica waste.
Muscovite Mica Drilling Waste
Dust and cuttings from drilling muscovite mica blocks for electronic components qualify as mica waste. This fine waste material is commonly repurposed in cosmetics or rubber compounding after grinding. It falls under tariff item 2525.30.00 as unworked mica waste.