供應(yīng)出口燁輝0.4*1200*C海藍(lán)色彩鋼板建筑外用彩鋼瓦波浪形

客戶可以按照自己的需求去選擇彩鋼板的顏色，如何能正確的選擇到心目中理想的彩鋼板。1、彩鋼板顏色的美觀效果，

有的用戶會(huì)根據(jù)自己喜歡的顏色來買；2、彩鋼板的顏色和使用壽命也是有一定的關(guān)系。

涂層耐久性是彩鋼板在使用過程中體現(xiàn)出來的性能，通常用美觀壽命和大修壽命的長短進(jìn)行衡量：

美觀壽命：從彩鋼板制造完成之日至其表面涂層發(fā)生一定程度的失色和粉化等影響涂層原有美觀效果的時(shí)間間隔。

使用壽命：鋼板銹蝕穿孔，無法使用。彩鋼板腐蝕失效的過程：涂層失光——涂層變色——涂層粉化——涂層開裂——

涂層起泡——白銹/紅銹——涂層脫落——鍍層大面積白銹——鋼板銹蝕穿孔——鋼板失效。根據(jù)實(shí)驗(yàn)結(jié)果：

正面涂層≥20微米才能有效的防止腐蝕介質(zhì)侵入，由于底漆和面漆的防腐蝕機(jī)理不同，

所以要分別要求底漆（≥5微米）和面漆（≥15微米）的厚度，只有這樣，才能保證彩鋼板不同部位的耐蝕性是均衡的。

Customers can choose the color of the color steel plate according to their own needs, how to correctly choose the ideal color steel plate

in the mind.1. The beautiful effect of color steel plate color, some users will buy according to their favorite color;2, the color of color

steel plate and service life is also have a certain relationship.Coating durability is the performance of color steel plate in the process of use,

which is usually measured by the length of beautiful life and overhaul life:aesthetic life: the time interval from the completion date of the

manufacture of color steel plate to the certain degree of color loss and powder of the surface coating that affect the original aesthetic

effect of the coating.Service life: the steel plate is rust-perforated and cannot be used.Process of color steel plate corrosion failure:

coating loss —— coating —— color ——coating powder —— coating cracking —— coating foam —— white rust / red rust ——

coating loss —— coating large area white rust—— steel plate rust perforated —— steel plate failure.According to the experimental

results: the front coating of 20 microns can effectively prevent the invasion of corrosion medium. Because the corrosion prevention

mechanism of primer and primer is different,the thickness of primer (5 micron) and primer (15 micron) should be required respectively.

Only in this way,the corrosion resistance of different parts of the color steel plate can be balanced.

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