304 stainless steel explosion-proof distribution box often rust how to do
What should I do if the 304 stainless steel explosion-proof distribution box is often rusted? How to maintain the 304 stainless steel explosion-proof distribution box on a daily basis?
Oxalic acid
Oxalic acid can completely reduce rust, turn rust into ferrous oxalate, and use water as a new light, and the surface metal treated with oxalic acid has been passivated and it is not easy to rust.
Remove with steel washing water
Wet the rust of the steel basin with water; wipe off the rust with a cotton swab or cotton cloth with a little washing water. After cleaning the molten steel for 10 seconds, it should be cleaned to prevent the product from changing color; clean it with water and dry it with a cloth.
304 stainless steel is a common material in stainless steel with a density of 7.93 g/cm3, also known as 18/8 stainless steel. With high temperature resistance of 800 degrees, it has the characteristics of good processing performance and high toughness. It is widely used in industrial and furniture decoration industry and food medical industry.
Cause of rust
1 The surface of stainless steel accumulates dust or other metal particles attached to other metal elements. In humid air, the condensed water between the attached material and the stainless steel connects the two into a micro battery, triggering an electrochemical reaction. The protective film is damaged, which is called electrochemical corrosion.
2 The surface of the stainless steel is adhered to organic juice (such as melon, noodle soup, etc.), which forms an organic acid in the presence of water and oxygen, and forms an organic acid to corrode the metal surface for a long time.
3 stainless steel surface adhesion containing acid, alkali, salt substances (such as alkali water, lime water spray test wall decoration) caused local corrosion.
4 In the polluted air (the atmosphere containing a large amount of sulfides, oxides, hydrogen oxide), in the case of condensed water, sulfuric acid, nitric acid, acetic acid liquid spots are formed, causing chemical corrosion.
304 stainless steel itself will not rust, but improper use and maintenance will lead to undesirable phenomena such as “rust rust†and “mold spot†on the stainless steel surface. These external factors include:
1. Stainless steel is not protected when it is used normally. If the welding slag, paint, cement, paint, etc. fall on the surface of the sink, if it is not cleaned in time, it will cause “rust†and “mold†on the stainless steel surface.
2, the use of the environment is also a big factor, such as coastal areas, areas with poor water quality, if there are more water stains for a long time, occasionally there will be "mold spots."
Maintenance method:
Be sure to protect it during use. Cover the stainless steel surface with something. Do not clean the surface of the stainless steel containing mud, paint, cement, paint, etc. If the stainless steel surface is not cleaned in time, it will leave a big hidden danger.
No matter how difficult it is to clean the dirt, remember not to use a sharp object such as a steel ball to scrub, because it will scratch the surface of the stainless steel tube. The stainless steel tube is not easy to rust mainly due to the high chromium oxide film on the surface. The destruction of the membrane will inevitably lead to corrosion of the stainless steel tube.
If there is a small rust point, it is recommended to wipe the toothpaste with a wet old towel and then wipe the water dry.
For small rust spots, you can also use our home soap to soak soapy water, and use the old towel soaked in soapy water to scrub the rust spots, and the rust spots will disappear.
For those dirt or grease that are difficult to clean, it is recommended to use detergent + tomato juice + water, soak the solution in a ratio of 1:1:1 or cover the part to be cleaned. After 3 or 5 minutes, wipe the cotton cloth clean. .
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