[China Aluminum Network] The aluminum oxide corrosion, most of the gains and losses of aluminum electronics. The electrochemical corrosion of the aluminum plate is due to the presence of oxidizing substances (electrons that receive metal corrosion) that have higher electrode potentials than metal electrodes in the medium. The lower potential solution corrodes, the more active the metal, the higher the energy, the less stable and the lower the potential. A long-term study by Zhisheng Weihua anti-corrosion paints found that the corrosion current flows from the high-potential cathode to the low-potential anode (in the opposite direction of electrons). If the cathodic potential is degraded and the anode potential is increased, the anodic and galvanic corrosion driving force will be reduced and the metal corrosion will be reduced. Electron oxidizing substances capable of obtaining a reduction reaction at the cathode are commonly referred to as depolarizers in corrosion chemistry. If no depolarizing agent is used, the cathode region will undergo cathodic polarization to inhibit corrosion due to the accumulation of electrons. The progress. Cathodic depolarizers, which are more common in nature, are oxygen and hydrogen ions in solution. The oxygen reduction reaction is: O2+4H++4e—2H2O (in an acidic solution) O2+2H2O+4e-4OH- (in an alkaline or neutral solution).
The electrochemical corrosion of the metal aluminum plate is due to the presence of an oxidizing substance (electrons received by corrosion of the metal) having an electrode potential higher than that of the metal in the medium. Beijing Zhisheng Weihua Chemical Co., Ltd. develops and produces ZS-1034 acid and alkali resistant anti-corrosion paints, targeted for use in pH 1-12 acids, solvents, gases and solutions, and acid and alkali, corrosive media can be alternately altered. Heavy corrosion-resistant, special anti-corrosion paint for organic acid, inorganic acid, salt and alkali, organic solvent corrosion environment, effectively prevent electrochemical and chemical corrosion, long-term protection of the substrate. Zhisheng ZS-1034 anti-acid and anti-corrosion paint can be painted in storage tanks with acid and alkali, solvents, salts, intermediates and compounds, storage tanks, acid and alkali pools, inorganic and organic salts, synthesizers, reaction kettles, and baking Drying equipment, chimney flue, dust removal and desulfurization, cracking devices, reservoirs, pipeline valves, bridge concrete, chemical steel structures, aircrafts and cement concrete etc. Weihua ZS-1034 acid and alkali anti-corrosion paint brushing in different acid in the aqueous solution of the degree of ionization degree, there are strong acid and weak acid, strong ionized acid such as hydrochloric acid, nitric acid, weakly ionized acid such as acetic acid, carbonic acid, these two The nature of the acid corrosion mechanism and the degree of corrosion are different, and the corrosion thickness requirements of the coating are not the same.
Corrosion of a solution with a low aluminum metal plate potential, the more active metal, high energy, unstable, the lower the potential. The current flows from the high-potential cathode to the low-potential anode (the opposite direction of electrons). If the cathodic potential is degraded and the anode potential is increased, the anodic and galvanic corrosion driving force will be reduced and the metal corrosion will be reduced. Zhisheng Weihua's anti-acid and anti-corrosion paint can effectively prevent the electrons from escaping from the aluminum plate, and the electron oxidizing material can be reduced at the cathode. It is commonly referred to as a depolarizer in corrosion chemistry, and if there is no depolarizer The cathode region will undergo cathodic polarization to prevent corrosion from proceeding due to the accumulation of electrons. Cathodic depolarizers, which are more common in nature, are oxygen and hydrogen ions in solution. The oxygen reduction reaction is: O2+4H++4e—2H2O (in an acidic solution) O2+2H2O+4e—4OH- (in an alkaline or neutral solution) to prevent the loss of electrons in the metal aluminum plate and avoid the Oxidation corrosion of aluminum plate to maintain metal life.
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