</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2508.60.00.00/Micronized Mullite Flour/Mexico

Micronized Mullite Flour from Mexico

Micronized mullite flour (D50 <5μm) serves as a fine filler in technical ceramics and casting slips. Remains under HTS 2508.60.00.00 as processed mullite powder, not chemical preparations.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Calculate with your customs valueVerify classification with AI

Import Tips

• Submit particle size distribution (laser diffraction) confirming flour specification

• Ensure no organic additives; pure mullite maintains mineral classification

Micronized Mullite Flour from Mexico — Import Duty Rate | HTS 2508.60.00.00