Strontium Carbonate Concrete Shrinkage Compensator from Germany
Inorganic strontium carbonate powder added to cement to compensate drying shrinkage through expansive crystal formation. Prepared for concrete use per HTS 3824.40.20.00, wholly inorganic. Reduces cracking in restrained concrete elements.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Expansion test data per ASTM C845; strontium purity certificate; dosage precision labeling