The hot-dip Al-Zn coated steel should be kept away from the alkaline medium.
The roof made out of the hot-dip Al-Zn coated steel requries a slope to help drainage and to alleviate corrosion.
The hot-dip Al-Zn coated steel plate should have no direct contact with foundation concrete, wet wood, steel, lead and graphite.
Use trimmed plate rather than the plate to be cut plate at job-site.
While the steel plate is piled and processed, its finger-print proof film should be protected from getting black due to dempness and high temperature.
If the hot-dip Al-Zn coated steel is used for foaming and bonding applicaton, then, small-lot test is needed for the initail use, in order to prevent the poor bonding.
If the hot-dip Al-Zn coated steel need to be cleaned, we do not suggest to be cleaned with ethanol. If must to be used, small-lot is needed for the initial use, in order to prevent the damage of the coating.
Zinc-aluminum coated sheet
