Ground Nepheline Syenite Powder
Finely ground nepheline syenite powder derived from igneous rock deposits, primarily composed of nepheline, albite, and microcline feldspar. Classified under HTS 2529.30.0010 as nepheline syenite, used as a functional filler in paints, coatings, and plastics for improving opacity and durability.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If predominantly feldspar with minimal nepheline
Products with higher feldspar content shift to feldspar heading within same chapter.
If mixed with other earth minerals like perlite
Blended mineral earths fall under the broader mineral products heading 2530.
If chemically processed into synthetic fillers
Advanced chemical treatments exclude natural nepheline syenite from Chapter 25.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify mineral composition via lab analysis to confirm nepheline syenite content and avoid reclassification as generic feldspar
• Provide geological origin certificates as documentation to distinguish from leucite or other silicates
• Ensure particle size specs match statistical note tolerances to prevent customs disputes on processing level
Related Products under HTS 2529.30.00.10
Nepheline Syenite Ceramic Filler
Coarse-ground nepheline syenite specifically graded for ceramic tile and sanitaryware production, providing fluxing properties and whiteness. Falls under HTS 2529.30.0010 as unprocessed nepheline syenite, distinct from agglomerated forms.
K1-K Feldspar Nepheline Syenite
Premium K-feldspar rich nepheline syenite from Canadian deposits, ground to 325 mesh for glass manufacturing. HTS 2529.30.0010 covers this natural leucite-nepheline rock as specified in the hierarchy.
Unmilled Nepheline Syenite Lumps
Natural nepheline syenite in lump form (2-6 inch), crushed but not finely ground, suitable for primary grinding at destination facilities. Classified as HTS 2529.30.0010 per chapter notes excluding only advanced processing.
Nepheline Syenite for Paint Extender
Micronized nepheline syenite optimized as titanium dioxide extender in architectural paints, offering superior dispersibility. HTS 2529.30.0010 applies to this ground natural mineral per statistical definitions.
AF Sodalite Nepheline Syenite
AF-grade nepheline syenite containing sodalite inclusions, used in low-expansion glass-ceramics. Natural mineral product under HTS 2529.30.0010, distinguished by inclusion analysis.
Nepheline Syenite Glass Grade 200 Mesh
200 mesh nepheline syenite for container glass fluxing, reducing melting temperature by 40°C. HTS 2529.30.0010 classification based on natural nepheline syenite composition.