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Can zinc steel guardrail rust?

2019-07-30

First of all, zinc is a kind of metal that is difficult to be corroded. When the zinc heat is transferred to the steel surface, it can prevent the steel from corroding and rusting just under the action of moisture and oxygen in the air; moreover, zinc is also a kind of material that can increase the smoothness, so many zinc steel guardrail manufacturers use this method to prevent the steel from being oxidized.

Zinc steel can prevent corrosion, provide a layer of zinc protective film for metal, repair and coloring agent for metal material with conductivity; safe and reliable double protection, synthetic metal resin protective layer and cathodic protection layer, can resist severe weather, suitable for long-term outer layer protection of metal; excellent corrosion resistance of salt and water. Strong adhesion to all kinds of metals and their alloys, can be directly sprayed without primer, high temperature resistance, not afraid of baking, after drying, the coating can resist high temperature of about 120℃. Anti drying temperature can reach 80℃, fast drying. It is economical and practical, and can be antirust once sprayed.

The anti-corrosion function of zinc steel guardrail is not only based on the content of zinc in the zinc coating, but also affected by the size of particles in the zinc coating. The smaller the zinc particles, the higher the coating density, and the higher the coating quality, the more like a 100% high temperature hot plating. The function of these fine particles is to make the coating more compact, which can not only prevent corrosion, but also prevent the volatilization of zinc composition, which is less than or equal to 120 μ m (on the vertical plane). In general, the anti-corrosion time in the atmosphere can be more than 30 years.

1. The zinc steel base material is made of various specifications of galvanized steel by hot-dip zinc steel strip, which adopts high-end high-frequency welding technology, and the welding is smooth and firm.

2. The surface zinc content of galvanized steel pipe is 60-80mm /㎡, which can be free from rust for 3-5 years under normal temperature.

3. The zinc steel product is to further process the galvanized pipe. Process flow of zinc steel guardrail: mechanical processing→chemical treatment (oil removal→ash removal→nano ceramic→passivation)→electrostatic spraying (→curing (220°high temperature imitation enamel curing) can achieve 20 years of rust free after multiple processes.

4. The biggest feature of zinc steel products is that there is no welding. The fittings and pipes developed by zinc steel are perfectly combined to achieve the beauty, firmness and applicability, and meet the standards of American fence Association.

5. The product surface is powder coated. Its products are beautiful in shape, freely matched in color, superior in color to rainbow, without welding and interspersed combination, with super strong protection function, self-cleaning and environmental protection, and achieve the real low-carbon environmental protection and green life products advocated by the state.