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2529.30.00.50/Nepheline Syenite Plaster Filler/Japan

Nepheline Syenite Plaster Filler from Japan

Coarse nepheline syenite (D50=25µm) for gypsum plasters and joint compounds improving sandability. Replaces diatomaceous earth for better finish. HTS 2529.30.0050 'other' nepheline processed to plaster grade.

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

• Hegman gauge 4-5 verifies plaster grade vs. paint extender

• Calcium sulfate reactivity tests prevent gypsum confusion

• Dust suppression agents prohibited; dry powder only

Nepheline Syenite Plaster Filler from Japan — Import Duty Rate | HTS 2529.30.00.50