K1-K Feldspar Nepheline Syenite from Japan
Premium K-feldspar rich nepheline syenite from Canadian deposits, ground to 325 mesh for glass manufacturing. This product is classified under tariff item 2529.30.00 as it is a natural leucite-nepheline rock, with only physical grinding applied, and is not chemically altered.
Duty Rate — Japan → Canada
0%
Import Tips
• Confirm the product is predominantly nepheline syenite despite the K-feldspar richness
• Provide mesh size documentation to support the grinding grade
• Ensure the product is not mixed with other glass batch ingredients