Construction Grade Gypsum from Japan
High-purity gypsum lumps selected for wallboard manufacturing. HTS 2520.10.00.00 covers this crude form before calcining into stucco. Essential raw material for drywall production.
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
• Color and whiteness index testing to meet construction specs without reclassifying as colored plaster
• Quarry origin certificates for supply chain traceability in green building certifications
• Avoid accelerators; even small quantities shift to plaster subheadings