Anti-oxidation coatings for graphite electrodes are different from other refractory coatings. The general refractory coating has a certain porosity, which is not useful to avoid the oxidation reaction between the oxygen and graphite around the electrode, as the graphite electrode anti-oxidation coating ZS-1021 coating curing well, fine and tight, and graphite, porous materials have both physical adhesion and chemical bridge connection, and the substrate constitutes an integrated structure, good adhesion, good self-healing repairability for thermal expansion and contraction, resistance to slag and high-temperature debris corrosion and Immersion corrosion. The anti-oxidation mechanism of the graphite electrode can be broadly summarized into two points, namely, the coating plays a barrier role under the application conditions, avoiding or weakening the touch of the graphite electrode with the oxygen-containing atmosphere, and obstructing or slowing down the high-temperature oxidation of the graphite electrode. Secondly, ZS-1021 Zhisheng high-temperature resistant closing coating anti-oxidation coating fills the pores of the inner surface layer of the graphite electrode, obstructing or slowing down the oxidation loss of the inner surface layer of the graphite electrode. The final result is a durable barrier maintenance layer under operating conditions.

Together with its characteristics are: ① high temperature resistant off paint refractory function. In the electric arc furnace, steelmaking conditions should have a high-temperature resistance function to ensure that the requirements of other functions at high temperatures, temperature resistance up to 2600 ℃. ② high temperature resistant off coating impermeability can constitute in the electrode exterior impermeable coating in the use of temperature. The coating constitutes a glassy thin layer at the application temperature to reach the intention of blocking the source of oxygen on the electrode exterior. And this glassy thin layer at high temperature is a refractory, non-flowing coating. ③High electrical conductivity. For the electrode clip at the need for high conductivity, the conductivity of the high temperature resistant off coating is higher than the conductivity of the graphite electrode itself and the copper electrode clip. ④High bonding. Because the graphite electrode is not easy to wetting characteristics, high temperature resistant off paint coating in high-temperature text low temperature have high bond strength, to ensure that the coating has a high anti-oxidation ability of the premise, together with the coating has outstanding mechanical impact and thermal shock function, in the use of the conditions do not fall off and so on. ⑤ Anti-oxidation coating construction is simple, does not pollute copper water and the environment, low cost.

The application results of many steel mills prove that graphite electrode anti-oxidation coating greatly slows down the oxidation loss of the electrode, especially the oxidation loss between the electrode and the top of the furnace. Graphite electrodes using ZS-1021 graphite high-temperature anti-oxidation coating can save a lot of graphite electrode costs, and, the larger the capacity of the electric furnace, the greater its energy-saving potential. Therefore, it has obvious effects in avoiding electrode oxidation, reducing electrode loss, and extending electrode life.