Supersulfate Cement Clinker from United States
Supersulfate cement clinker combines Portland clinker with high ratios of calcined gypsum and slag, providing extreme sulfate resistance. In its unground clinker form, it falls under this tariff item for hydraulic cement clinkers prior to final grinding.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the clinker is unground and not mixed with other components
• Provide technical specifications showing the sulfate-resistant properties
• Verify that the product does not contain added materials that would render it a specific-use product