Gabion wire is a modern building materials products with simple structure, beautiful appearance, convenient installation, long service life and excellent anti-corrosion performance. For the production of stone cage mesh, the choice of silk thread is very critical.
The Gabion wire is composed of three different diameters of steel wire, including mesh wire, edge wire and binding wire. The diameter of the wire is generally between 2mm and 4mm, and the edge wire is usually thicker than the net wire, about 0.5cm to 1cm. The binding wire is the thinnest, and the common wire diameter is generally smaller than the mesh wire. This combination design makes the Gabion wire have better bearing performance and structural stability.
The tension of the steel wire is also an important factor to consider when making the Gabion wire. Under normal circumstances, the tension is required to be no less than 38kg/m2, that is, 380N/mm. Doing so can ensure the reasonable performance of the Gabion wire, so that it will not appear in the long-term use of distortion, deformation and so on.
In addition, in the face of the different needs of overseas markets, the Gabion wire uses different surface treatment methods. Among them, electrogalvanizing is the most common one, but its anti-corrosion performance is poor, and the maximum amount of zinc can only reach about 10g/m2. The best performance in terms of corrosion resistance is hot dip galvanizing, whose zinc content can reach 300g/m2, and it has a very strong corrosion resistance.
In terms of new anti-corrosion processes, Galfan (zinc aluminum alloy) is a very good choice. At present, there are two kinds of materials on the market, namely zinc-5% aluminum-mixed rare earth alloy steel wire and zinc-10% aluminum-mixed rare earth alloy steel wire. These materials can effectively improve the corrosion resistance of the stone cage mesh, so that it can be used in a variety of harsh environments.
PVC encapsulation is the most common anti-corrosion method. PVC encapsulation in the fine treatment of stone cage mesh is very strict, the general thickness of the encapsulation should be about 1.0mm, such as 2.7mm encapsulation after it will become 3.7mm. The stone cage mesh treated by this process has very strong corrosion resistance and a long life.
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