Natural Cement Clinker Ground from Germany
Ground natural cement from argillaceous limestone kilns provides hydraulic setting like Roman concrete. Under HTS 2523.90.00.00 as other hydraulic cements, separate from synthetic Portland. Used in sustainable historic replication projects.
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
• Include kiln firing certificates showing <900°C temp distinguishing from Portland
• Bulk shipments require dust suppression declarations for port handling