2529.30.00.50/Synthetic Zeolite Precursor Nepheline/Japan

Synthetic Zeolite Precursor Nepheline from Japan

High-silica nepheline syenite for synthetic zeolite A and X production in detergents. Provides perfect SiO2/Al2O3 for crystallization. HTS 2529.30.0050 mineral precursor despite chemical processing intent.

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%

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Import Tips

• XRF SiO2/Al2O3 ratio 2.1-2.3 certification mandatory

• Amorphous content <5% prevents glass cullet confusion

• Alkali extraction efficiency test data supports mineral status