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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

Master Builders X-Seed Crystalline Early Strength Enhancer from Japan — Import Duty Rate | HTS 3824.40.50.00