</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2509.00.10.00/U.S. Imported Crude Blackboard Chalk Ore/Japan

U.S. Imported Crude Blackboard Chalk Ore from Japan

Raw ore lumps containing natural chalk suitable for blackboard chalk manufacturing, imported in unprocessed state. HTS 2509.00.10.00 covers this crude form before grinding into familiar writing chalk sticks. Excludes finished consumer products.

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%
Calculate with your customs valueVerify classification with AI

Import Tips

• Distinguish from finished chalk (9609); provide processing plant affidavits proving crude intent

• ADA import declarations required for mineral dust hazards