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2523.10.00.00/Supersulfate Cement Clinker/Canada

Supersulfate Cement Clinker from Canada

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 — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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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

Supersulfate Cement Clinker from Canada — Import Duty Rate | HTS 2523.10.00.00