Aiming at the rust removal requirements of reinforced concrete. the MPC-CFRP composite material was used as the external anode. and the Electrochemical chloride extraction (ECE) method was used to test the polarization curve of the steel bar under different ECE current densities. and the potential changes of the steel bar at different times were analyzed. https://parisnaturalfoodes.shop/product-category/8-light-blond/