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Why does the tin barrel need to be galvanized?
Many friends in the process of using the iron bucket, will find that the appearance of the iron bucket is galvanized, so, do you know why the iron bucket is galvanized? Let's see the detailed introduction of Xiaobian.
Barrel manufacturers think that zinc: zinc soluble in acid, but also soluble in alkali, so it is called amphoteric metal. Zinc hardly changes in dry air. In humid air, a fine basic zinc carbonate film will be formed on the surface of zinc. In the atmosphere containing sulfur dioxide, hydrogen sulfide and marine, the corrosion resistance of zinc is poor, especially in the atmosphere containing organic acid at high temperature and high humidity.
The standard electrode potential of zinc is -0.76v. For steel substrate, zinc coating belongs to anodic coating, which is mainly used to avoid corrosion of steel. Its protective function is closely related to the thickness of coating. The protective and decorative properties of zinc coating can be significantly improved after passivation, dyeing or coating with light protecting agent.
The principle of galvanizing process: in a rotating barrel with plating parts, glass balls, zinc powder [color business opportunities: zinc powder standard], water and additives, the glass ball as the impact medium rotates with the barrel, conflicts with the surface of the plating parts and generates mechanical and physical energy by hammering. Under the effect of chemicals, the coated zinc powder is "cold welded" to the surface of the plating parts to form lubrication, uniformity and stability As thick as possible.
Article source: Jiangmen foreign trade iron bucket http://13393.com.cn/
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01-06
Processing technology of Jiangmen tin barrel manufacturer
Tin bucket is also quite common in life. With the development of the times, more and more people will choose plastic bucket, but there are still a group of people who are still using iron oil bucket. It is understood that the manufacturing process of iron barrel is very messy. Do you know anything about it? Follow Jiangmen iron bucket manufacturers to understand it! The tin barrel has good comprehensive properties, good strength, plasticity and welding properties, and is widely used. Before maki
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How can a tin bucket reduce the speed of rusting?
Tin bucket is a tool used frequently in our life, which has a great and far-reaching impact on people. However, it is understood that many consumers will worry about the rust of the tin barrel. The tin barrel is frequently used in daily life and needs to be in contact with the air. It is impossible not to rust. How can the tin barrel not be easily embroidered? What are the better ways? It is a common and important method to cover the surface of tin barrel with protective layer to prevent rust. A
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Maintenance method of Jiangmen iron barrel
Iron paint bucket is widely used in daily life. Therefore, the maintenance of iron paint bucket is also essential. The correct maintenance method can keep the appearance of iron paint bucket bright and prolong the service life of iron paint bucket. Then follow the Jiangmen foreign trade tin bucket to understand some maintenance methods of iron paint bucket. Before using the iron paint barrel, some oil, such as peanut oil and lard, can be applied on the iron paint barrel, so that the oil can cove
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What are the principles of selecting tin barrel?
The coating packaging barrel is widely used in the world. With the careful design and manufacture of the coating packaging barrel manufacturer, the coating packaging barrel is convenient for loading and bearing large weight. It is suitable for the needs of medium-sized clients and has a wide range of applications. It can be used for the loading and transportation of liquid, semi liquid, powder, solid and other raw materials. What principles should be mastered when selecting the coating packaging