Master Builders X-Seed Crystalline Early Strength Enhancer from Japan
Nucleation seeding crystals that accelerate cement hydration for early strength in precast concrete production. Prepared additive under HTS 3824.40.5000 for rapid form-turnover applications. Enables same-day demolding in manufacturing plants.
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
• Provide crystal size distribution analysis; comply with precast association specifications; use moisture-proof packaging