Retractable door manufacturing materials are usually made of stainless steel, but also some of the selection of aluminum alloy, these two kinds of data are used and beautiful. However, some businesses in order to save costs, often using defective data to manufacture goods, the goods later will present many questions, and also showed the appearance of rust or corrosion.

Most people think that the stainless steel is not rusty, in fact, is not, below, the Chinese door and window nets small make up about the reason of stainless steel rust.

1, stainless steel retractable door to cover a number of dust, sputum and other organic matter, if the attack of oxidation, acid, long-term corrosion of stainless steel surface rust.

2, in the stainless steel telescopic door appearance has some acid or alkaline substances, long-term corrosion will appear mottled corrosion situation.

3, stainless steel surface is rich in other metal elements may be appendages, in the humid air environment, a series of chemical changes, will cause the appearance of stainless steel thin film damage to present corrosion image.

4, there is suffered the sulfuric acid, nitric acid and other low to the stainless steel telescopic door appearance, this will also affect the appearance of stainless steel telescopic door, will show mottled situation.

So if you want to adhere to the stainless steel telescopic door looks beautiful, we have to do the timing of stainless steel telescopic door finishing, so that it can be very good to adhere to its beautiful situation.