Kyanite Flour -325 Mesh from Japan
Ultra-fine kyanite flour (-325 mesh, <44 microns) used as filler in porcelain insulators and spark plugs. Classified under HTS 2508.50.00.00 as ground kyanite, not chemically modified.
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%
Import Tips
• Particle size analysis (laser diffraction) required to distinguish from chamotte (HTS 2508.70)
• Dust hazard declarations for fine powders; ensure proper UN packaging certification
• Avoid 'frit' terminology which could trigger Chapter 68 glass classification