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Galvanized Corrugated Roofing Sheets

Galvanized corrugated roofing sheets are passed by flat galvanized roofing sheet.It is shaped like a wave, beautiful and generous, mainly for roof construction. The surface of galvanized corrugated roofing sheet has a layer of zinc flower, zinc flower can be divided into,......

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Product Description                                    

Galvanized corrugated roofing sheets are made by flat galvanized roofing sheet. It is shaped like a wave, beautiful and generous, mainly used for roof construction. The surface of galvanized corrugated roofing sheet has a layer of zinc flower, which can be divided into small zinc flower, common zinc flower and no zinc flower three kinds. According to bath composition and temperature difference, we can present different zinc flower.


Features

It is light in structure, easy to assemble and disassemble, convenient in maintenance and replacement. 

It is a combination of acoustics and aesthetics.

It has convenient installation, long service life and environmental protection of new construction sound absorbing materials love people's favor and praise.


Application

It is widely used in sound absorption room, office, gym, convention center, station and other large public places.

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The galvanized corrugated roofing sheet has to be passified before the factory, and if it's not passivation, it's going to generate oxidation reduction in two to three months of time, erosion of the steel plate.

※ Passivation

The galvanizing layer is treated by passivation, which can reduce the rusting corrosion (white rust) in the condition of moisture storage and transportation. However, the corrosion resistance of this chemical treatment is limited and prevents the adhesion of most coatings. This treatment is generally not used in zinc ferroalloy plating, except for the surface of the surface. As a rule, the production plant passivates the other types of galvanized layers.

※ Paint the seal

The coating can reduce the corrosion of steel plate under the condition of wet storage. After passivation, the steel plate and strip recoating will further reduce the corrosion in wet storage condition. The oil layer should be removed by degreasing agent that does not damage the zinc layer.

By applying a thin layer of transparent organic coating film, it can provide an additional anti-corrosion effect, especially the fingerprint characteristic. It can improve the lubrication when forming, and as the adhesive substrate for subsequent coating.

※ Phosphating

Through the process of phosphating, galvanized steel plate of all kinds of coating, except normal cleaning, no further treatment can be coated. This treatment improves the adhesion properties and corrosion resistance of the coating and reduces the risk of corrosion during storage and transportation. After phosphating and suitable lubricant, it can improve the molding performance.

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    • E-MAIL: sales@supereal-group.com
    • Phone: +86-532-67756345
    • Fax: +86-532-82860084
    • 24 hours service: +86-139-6980-9032
    • Company: Supereal Enterprise Limited
    • ADDRESS: Industrial Park, Guanxian County, Shandong province, China

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    Supereal Enterprise Limited is a professional company engaged in the products of galvanized steel , galvalume steel, prepainted steel, steel roofing fiberglass roofing sheets and other building products. The production bases are Shandong Zhuoyu Steel Sheet Co.Ltd

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