Analysis of the coating performance of aluminum profile powder

1, the higher the purity, the better the corrosion resistance, it is well known that pure aluminum in the air and oxygen, in the surface of aluminum will produce a very thin layer of dense natural oxide film, than other metal oxide film generated much faster and thicker, thus preventing harmful gases and moisture corrosion in the air, played a protective role; 2, pure aluminum corrosion resistance is good, but poor mechanical strength, which to a certain extent restricts the application of aluminum, therefore, people in aluminum to add the appropriate amount of magnesium, copper, zinc and other metals, made of various types of aluminum alloy, aluminum alloy mechanical strength is high, so that the mechanical strength of aluminum greatly increased, the application range is greatly expanded, aluminum alloy although mechanical strength is high, but corrosion resistance than pure aluminum, so it is possible to be corroded by oxidationThis requires powder coating to protect aluminum alloy profiles, aluminum alloy with its small proportion, easy processing, mechanical strength and so on for many years widely used in building doors and windows, curtain wall and other products,after powder coating, aluminum profiles have a high corrosion resistance, color diversity, good surface texture and many other advantages, with different architectural exterior coatings, in order to build colorful buildings