The metal advertisement board is refers to the material for the metal plate guide sign and the billboard, its predecessor is the enamel billboard, the dense amine billboard and so on. Metal material quality by aluminum, stainless steel primarily. The stainless steel material quality surface has not the rusty merit, after the silk-screen printing machine, may spread the cloth hardening agent in the surface to carry on the processing. The aluminum material may use its plasticity, carries on the relief processing by the pressure law, enables its surface to have the concave-convex design, strengthens the stereoscopic effect, to enhance the visual effect.
The metal billboard earliest has the enamel billboard, its take galvanized iron sheet as a material, prevents using the enamel to rust, uses in the billboard, the place name sign and so on. Although this kind of sign to climate compatibility strong, but time processing charge, the coloration is not too easy. Along with the spray coating technology's development, the dense amine billboard started to appear, enhanced the rust prevention performance, through dug cuts making lithograph plates law silk India to be possible to cause its coloration. Starts after the billboard uses the hard plastic primarily material, the dense amine advertisement board gives the human one kind had been already obsolete the feeling. Sheet iron billboard already obsolete, as a result of own weight, causes the processing to come under the influence, is also very difficult in the circulation of commodities aspect.
The metal advertisement board's primary materials already transform to the aluminum sheet or the thin zinc plate, these are the light quality material, the workability are good, even if the size is very greatly also easy to process. In order to increase the sheet metal the intensity to be possible to cause its part of bulge is the muscle, it with estimated that is approximately same as the plate.
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