Paint on the galvanized layer, the binding force between each other and the baking temperature of the paint has a great relationship, after the coating of alkyd paint, adhesion is no problem. After galvanized, the adhesion of amino paint is not very good. Do two bottom two sides, the adhesion is ok, if the two bottom two sides are changed to two bottom three sides, that is, apply a surface paint, bake more than once, and test the adhesion again is very poor, so that the paint can be torn off from the galvanized layer.
There is no adhesion test of powder spraying or fluorocarbon spraying on the electric galvanized shaft wire order, but there are two points for reference: first, in a sealed or air-free environment, non-metallic volatiles can corrode the zinc coating; Second, zinc at higher than 230 degrees (c) will cause the matrix metal brittle. After powder spraying and fluorocarbon spraying, it is possible to bake at a higher temperature and in a sealed environment, causing rapid corrosion of zinc, resulting in loose corrosion film leading to a decline in coating adhesion, and even causing (matrix) steel wire brittleness.
Because the electrogalvanized shaft wire order is endowed with pre-tension, it has the excellent characteristics of low relaxation value, small stress loss, good stability after loading, not easy to deform, no fracture, strong elasticity, ordinary steel lines and rebar are difficult to compare. The use of advanced galvanized finishing process, therefore, the use of hot-dip galvanized steel wire construction, not only good corrosion resistance, but also beautiful and generous. The product has the characteristics of smooth surface, high dimensional accuracy, good uniformity of zinc layer and strong adhesion.
Post time: 24-08-23