</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2529.30.00.10/K1-K Feldspar Nepheline Syenite/Japan

K1-K Feldspar Nepheline Syenite from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Calculate with your customs valueVerify classification with AI

Import Tips

• 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