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Stainless Steel Maintenance Method
The use of stainless steel has become more widespread with the development of the economy. People are closely related to stainless steel in daily life, but many people do not know much about the performance of stainless steel, and they know less about the maintenance of stainless steel. Many people think that stainless steel will never rust. In fact, stainless steel has good corrosion resistance. The reason is that a passivation film is formed on the surface. In the natural world, it is in the form of a more stable oxide. Called eclipse.
All the metal surfaces exposed in the corrosive environment have electrochemical reactions or chemical reactions, and are uniformly corroded. The corrosion-resistant part of the stainless steel surface passivation film forms a pitting reaction due to the self-excitation reaction, generates small pores, and adds chlorine ions close to form a strong corrosive solution, which accelerates the corrosion reaction rate. There is also intergranular corrosion cracking inside stainless steel, all of which have a destructive effect on the passivation film on the stainless steel surface. Therefore, the stainless steel surface must be regularly cleaned and maintained to maintain its gorgeous surface and prolong its service life. When cleaning the stainless steel surface, care must be taken not to cause surface scratches. Avoid using bleaching ingredients and abrasives, washing liquid, steel balls, grinding tools, etc. To remove the washing liquid, rinse the surface with clean water after washing.
The stainless steel surface is dusty and easy to remove dirt, and can be washed with soap, weak detergent or warm water. The trademarks and films on the surface of stainless steel should be washed with warm water and weak detergent. The adhesive ingredients should be scrubbed with alcohol or organic solvents (ether, benzene). Grease, oil, and lubricating oil on the surface of stainless steel are contaminated. Wipe clean with a soft cloth, and then clean with a neutral detergent or ammonia solution or a special detergent.
The surface of stainless steel has bleach and various acids attached. Rinse immediately with water, then dip with ammonia solution or neutral carbonated soda water solution, wash with neutral detergent or warm water.
The surface of the rusty steel has a rainbow pattern, which is caused by excessive use of detergent or oil. It can be washed away with warm water neutral detergent when washing. Rust caused by stainless steel surface dirt can be washed with 10% nitric acid or abrasive detergent, and can also be washed with special washing chemicals. As long as we use the right maintenance methods, we can extend the life of stainless steel and keep it clean, bright and gorgeous. .
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