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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pure nepheline variant
Lower feldspar shifts within same subheading but different product specs.
If sodium/potassium extracted as salts
Chemical separation products move to inorganic chemicals chapter.
If formed into ground articles
Machined shapes exclude raw mineral powders.
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Import Tips & Compliance
• Submit XRF analysis reports confirming nepheline >30% to validate against feldspar dominance
• Use specific quarry origin docs for traceability, as source affects duty preferences
• Monitor mesh size declarations; over-specification risks parts classification
Related Products under HTS 2529.30.00.10
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.
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.
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.