How to prevent oxidation of mould copper tubeMould copper tube has good thermal conductivity and thermal conductivity, but it is easy to oxidize in air. The us
How to prevent oxidation of mould copper tube
Mould copper tube has good thermal conductivity and thermal conductivity, but it is easy to oxidize in air. The use of antioxidants, also known as copper antioxidants, can improve the resistance to discoloration and oxidation of mold copper tubes. Passivation film is formed on its surface to prevent the surface from darkening and improve the ability of corrosion resistance, discoloration and oxidation resistance. And does not affect the welding performance. Especially the use of mold copper tube, after grinding passivation treatment. The amount of anti-oxidant used in the stock can be used directly. Antioxidant protectant is the last antioxidant process in copper polishing process. During use, the workpiece should be soaked in the drug and shaken slightly so that the workpiece can fully contact the drug. Antioxidants have no pungent odor and are easy to operate with high production efficiency. However, the workpiece must be cleaned with clean water or pure water after treatment, otherwise it will affect the surface of the workpiece.
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Harm of too high temperature: when molten steel out of cooper mold, the billet shell is thin and easy to break out; The accelerated erosion of refractory can ea
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1. The barrier function (mainly completed by the liquid slag layer) isolates the contact between air and molten steel, blocks the secondary oxidation of molten
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In continuous casting, low corrosion resistance often occurs, which directly leads to uneven composition and will eventually affect the smelting quality. In or