Supersulfate Cement Clinker from Germany
Supersulfate cement clinker combines Portland clinker with high ratios of calcined gypsum and slag for extreme sulfate resistance. Classified as hydraulic cement clinker under HTS 2523.10.00.00 prior to final grinding.
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
• Document gypsum and slag ratios (>50% combined) to confirm supersulfate type and hydraulic classification
• Use ventilated containers to prevent moisture absorption, which could alter clinker properties and classification