Main Characteristics of Aluminum Clad Aluminum Plate
Aluminum zinc coated plate, also known as aluminum zinc plate and its aluminum zinc alloy structure is by 55% aluminum, 43.4% zinc and 1.6% silicon in 600 DEG C high temperature curing and form, the whole structure by the aluminum - iron - silicon - zinc, constitute a fine four Yuan crystals then constitute a layer of strong and effective to avoid corrosion factor penetration through the barrier.
The characteristics of aluminum zinc plate:
1 Corrosion resistance:
"Plating 55% aluminum zinc steel roll" the resistance to corrosion from the maintenance function of the aluminum, and the dedication of zinc. When zinc in trimming, scratch and abrasion of coatings part for dedicated maintenance, the aluminum will form insoluble oxide layer and barrier protection function. Aluminum zinc alloy steel roll has been in a variety of atmospheric environment, the more than 20 years of outdoor exposure experiments. It is proved that the plating of 55% Al Zn steel plate cutting edge protection functions, than the 5% aluminum zinc steel plating is preferred.
2 Heat resistances:
Heat resistance of 55% aluminum plated zinc alloy steel plate galvanized steel is good, similar to high temperature oxidation resistance of aluminized steel. Aluminum zinc alloy steel plate can be used as high temperature of 315 degrees.
55% Al Zn alloy steel plating with high reflectivity, to make it into a thermal barrier; aluminum zinc plate heat reflectivity is almost twice the galvanized steel plate, therefore, in painting acted as the roof and panels can also reach the energy saving effect.
Because aluminum zinc plate the zinc layer and paint with excellent adhesion, and thus be used as the symbol of the board usually without pretreatment and weathering disposal can be painted, galvanized steel demand weathering disposal and pretreatment of.
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