The manufacturing materials of the retractable doors are usually made of stainless steel, and some are aluminum alloys. These two materials are used and beautiful. However, in order to save the cost, some merchants often use the defective materials to manufacture goods, which will cause many questions in the later stage of the goods, and will also show the appearance of rust or corrosion.
Most people think that stainless steel will not rust, but it is not. Below, the Chinese door and window net small series introduces the reason for stainless steel rust.
1. The surface of the stainless steel retractable door is covered with some dust, cockroaches and other organic matter. If it is attacked and oxidized, the acid will attack and the stainless steel will corrode for a long time.
2. There are some acid or alkaline substances on the surface of the stainless steel retractable door. The long-term corrosion will also show mottled corrosion.
3, stainless steel appearance is rich in other metal elements or appendages, in a humid air environment, a series of chemical changes, will also cause damage to the appearance of stainless steel film appearance.
4. There is also the appearance of sulfuric acid, nitric acid, etc. falling to the surface of the stainless steel retractable door, which will also affect the appearance of the stainless steel retractable door, which will present a mottled condition.
Therefore, if we insist on the beauty of the stainless steel retractable door, we must regularly arrange the stainless steel retractable door so that we can adhere to its beautiful situation very well.
We are pleased to report that our 2-aminophenol continues to attract more and more buyers, many of which have become our valued customers. 2-Aminophenol provides continuous quality updates based on the customer's different procurement requirements. Generally, the melting point of the aminophenol is between 170 ° C and 174 ° C, the measured value is ≥ 96.0%, the water content is ≤ 1.0%, the pyrosulfite is ≤ 1.0%, the ash content is ≤ 2.0%, and the purity HPLC is ≥ 99.0%. If you need 99% 2-aminophenol with different properties, ordering from the website is very simple and user friendly. We can process and supply a variety of 2-aminophenol (OAP) according to your requirements.
For the past 13 years, we have been manufacturing and supplying 2-aminophenol to many customers from China, Europe and Southeast Asia. One of our greatest rewards is the opportunity to meet and become friends with many outstanding people. 2-Aminophenol industry from all over the world.
Our goal is to help you develop your 2-aminophenol (oatmeal) career.
Our continued growth is attributed to you, our loyal customers. As in the past few years, we will continue to offer 2-aminophenol (OAP) and other premium products at competitive prices. If we can help you, please feel free to contact us. We look forward to hearing from our old friends and new friends.
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