The manufacture of stainless steel door is made of stainless steel material selection are undoubtedly, stainless steel material is generally not easy to rust, so why do some stainless steel door is rusty?

　　Stainless steel door rusting reasons:

　　1, stainless steel door appearance to cover up some dust, phlegm and other organic matter, if attacks oxide, acid, long will form rust corrosion of stainless steel appearance.

　　2, stainless steel door appearance may have some acid alkaline substances, long-term corrosion will present corrosion mottled shape.

　　3, stainless steel exterior is rich in other metal elements may be appendages, under the environment of wet air, attack a series of chemical change, will cause appearance of stainless steel thin film present corrosion surface damage.

　　4, suffered from sulfuric acid, nitric acid and so on down to the stainless steel telescopic door appearance, this will affect the appearance of the stainless steel gate, a mottled condition is present.