Slag Cement Clinker from Germany
Slag cement clinker is produced by blending blast furnace slag with Portland clinker components, providing sulfate resistance. It is the unground clinker form under HTS 2523.10.00.00, destined for grinding into blended hydraulic cement.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit blast furnace slag origin certificates to verify composition and prevent misclassification as pure Portland clinker
• Test for hydraulic properties (e.g
• setting time <10 hours) as proof of clinker status during customs inspection