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2505.90.00.00/Natural Silica Flour/Mexico

Natural Silica Flour from Mexico

Ground natural quartz to flour fineness (-200 mesh) for fillers. HTS 2505.90.00.00 as other natural sand powder. Not chemically processed.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Particle size distribution curve

• Distinguish from precipitated silica

• Anti-caking absent for natural status