School Folded Magnetic Green Board  

In the rainy season, the coating is soaked by rain for a long time, or the temperature difference between day and night is too large and it is easy to condense. All parts will be corroded quickly and their service life will be reduced. Use color Buildings or factories made of color-coated steel plates are used when they are often washed by rain. Longer life, otherwise, due to the action of sulfur dioxide gas, salt and dust Affect. Therefore, during design, the greater the slope of the roof, the less It is easy to accumulate dust and other dirt, the longer the service life; for those who are not exposed to rain Frequently flushed areas or parts should be flushed regularly with water