Roman-Type Hydraulic Cement from China
Roman-type hydraulic cement is a replicated pozzolanic cement made from volcanic ash and lime, setting underwater like ancient Roman concrete. It is used in marine and architectural restoration due to its compatibility with historic materials. This product is classified under tariff item 2523.90.00 as 'other hydraulic cement' because it is a blended hydraulic binder not covered by specific cement types.
Duty Rate — China → Canada
Import Tips
• Ensure the volcanic ash and lime are not classified as separate materials; the product must be a homogeneous hydraulic cement
• Provide a detailed recipe or specification to the CBSA to support classification as a hydraulic cement
• If the cement is for marine use, verify compliance with Canadian environmental standards for underwater construction materials