Mining Crushed Pumice Fines from Japan
Coarse fines from pumice quarry crushing operations, irregular pieces under 5 cm retaining natural porosity, not screened or graded for uniformity. Falls under HTS 2513.10.00.10 as crushed pumice in crude state, distinct from powdered forms. Applied in horticulture soil amendment and lightweight concrete.
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
• Distinguish 'crushed' from 'powdered' via particle analysis; retain lab sieve tests showing irregular sizing
• Density declarations critical for freight classing; under申报 risks audit penalties
• Eco-certifications boost value—declare if sustainably mined to access green import lanes