Micronized Nepheline Syenite
Ultra-fine micronized nepheline syenite (D97=10 micron) for injection molding compounds and engineered plastics. The product is physically ground to a fine powder without chemical treatment, meeting the mechanical processing criteria of Chapter 25 Note 1 for tariff item 2529.30.00.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is treated with silanes or other coupling agents
Surface-treated mineral fillers for plastics are classified as chemical products.
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 product is not coated or treated with surface modifiers, which would exclude it from Chapter 25
• Provide particle size distribution data to support the product description
• Verify the end use in plastics does not require additional chemical additives
Related Products under Tariff item 2529.30.00
AF Sodalite Nepheline Syenite
AF-grade nepheline syenite containing sodalite inclusions, used in low-expansion glass-ceramics. This natural mineral product is classified under tariff item 2529.30.00 as it is distinguished by inclusion analysis but remains a natural, unprocessed mineral, with only physical processing permitted.
Beneficiated Nepheline Concentrate
Flotation beneficiated nepheline concentrate with over 95% purity and low iron content, used for premium glass and ceramics. The product undergoes physical separation (flotation) without chemical change, which is permitted under Chapter 25 Note 1, classifying it under tariff item 2529.30.00.
Canadian Blue Earth Nepheline Syenite
Blue Earth deposit nepheline syenite from Ontario, known for consistent alumina content in ceramics. This pure mineral import is classified under tariff item 2529.30.00 as it is a natural mineral product with country-specific recognition, and is in the crude or physically processed state.
Feldspar-Nepheline Syenite Blend
A natural blend of nepheline syenite and feldspar, with a dominant nepheline syenite content (30-70%), used in sanitaryware and electrical porcelain production. This product falls under tariff item 2529.30.00 as it is a natural mineral mixture primarily composed of nepheline syenite, not subjected to processing beyond crushing, grinding, or physical separation.
Fine Ground Nepheline Syenite 10 Micron
10 micron D50 nepheline syenite for high-end coatings and adhesives. This ultra-fine grind retains natural mineral status under tariff item 2529.30.00 as it is processed only by physical grinding, which is permitted under Chapter 25 notes, and is not chemically altered.
Ground Nepheline Syenite Filler
Micronized nepheline syenite graded for paint and coating applications as an extender pigment. The product is ground to fine particle sizes without chemical treatment, fitting the mechanical processing allowance of Chapter 25 Note 1 for tariff item 2529.30.00.