Mica Powder Mill Feed Waste
Pre-ground coarse mica waste prepared as feedstock for final powder milling operations under HTS 2525.30.00.00. This semi-processed waste skips direct powder classification if not fully micronized. Used directly in coarse filler applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If prepared as synthetic organic pigment extender
Mica used as extender in pigments classified under Chapter 32.
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Import Tips & Compliance
• Confirm particle size exceeds powder threshold (>44 microns typically); declare intended end-use as waste processing; avoid over-milling pre-import
Related Products under HTS 2525.30.00.00
Industrial Mica Waste Fines
Mica waste fines are the fine particulate byproducts generated during the processing and trimming of mica sheets for industrial applications. Classified under HTS 2525.30.00.00 as mica waste, this material consists of scraps and dust too small for direct use but valuable for recycling into fillers or powders. It is distinct from processed mica splittings or agglomerated forms.
Mica Sheet Trimmings Waste
Trimmings and edge scraps from cutting mica sheets for electrical insulators represent classic mica waste under HTS 2525.30.00.00. These irregular fragments are unsuitable for precision applications but can be ground for use in paints or plastics. The classification applies specifically to unworked waste from mica processing.
Phlogopite Mica Processing Waste
Waste from processing phlogopite mica, a heat-resistant variety used in high-temperature applications, falls under HTS 2525.30.00.00 as unworked mica waste. This includes dust, chips, and rejects from splitting operations, ideal for grinding into mica powder additives. It remains classified as waste until further refined.
Muscovite Mica Drilling Waste
Dust and cuttings from drilling muscovite mica blocks for electronic components qualify as mica waste under HTS 2525.30.00.00. This fine waste material is commonly repurposed in cosmetics or rubber compounding after grinding. Classification hinges on its status as unworked byproduct of fabrication.
Mica Splitting Operation Scrap
Irregular scraps and rejects from mica splitting operations, too fragmented for standard splittings, are imported as mica waste under HTS 2525.30.00.00. These pieces are typically milled into mica flakes for decorative coatings or fillers. The HTS distinguishes this from selected split block mica.
Synthetic Mica Manufacturing Waste
Although heading 2525 covers natural mica, waste resembling natural mica from synthetic production may enter under HTS 2525.30.00.00 if unworked. However, most synthetic mica waste shifts elsewhere; this applies to hybrid natural-synthetic scraps. Primarily for natural-origin confirmed waste.