Nepheline Syenite Plaster Filler from United States
Coarse nepheline syenite (D50=25µm) for gypsum plasters and joint compounds, improving sandability. The product is ground to a coarse powder without chemical treatment, meeting the mechanical processing criteria of Chapter 25 Note 1 for tariff item 2529.30.00.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is not mixed with gypsum or other plaster ingredients
• Provide particle size distribution data to support the product description
• Check if the plaster application requires any specific import permits