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Galvalume

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Product Description

Aluminized zinc sheet refers to the addition of aluminum (passivation protection) to the zinc coating of the steel sheet. The general composition is 55% aluminum, 43.5% zinc, 1.5% silicon, and has excellent atmospheric corrosion resistance. The corrosion resistance is galvanized sheet It also has the high temperature corrosion resistance of aluminum plate, smooth surface and good appearance, but its coating forming and welding resistance are slightly worse. In foreign countries, generally about 40% of aluminum-zinc plating is used directly, and about 60% of the boards are further used as color-coated substrates.

Use

Building roofs, walls, electrical cabinets, home appliances, automobiles, color coated substrates, etc.

The structure of galvalume

Substrate (cold rolled): It has the advantages of high strength, easy processing, and economy, but it is easy to corrode.

55% aluminum zinc plate aluminum zinc coating: 55% aluminum + 43.5% zinc + 1.5% silicon and other trace elements.

Alloy layer: A thin alloy layer is formed by aluminum and iron, thereby inhibiting the growth of brittle zinc-iron alloy and increasing workability.

Surface treatment

Coating surface treatment method Usage description
Chromic acid passivation (C) Used for surface treatment of high-strength steel plate after hot-dip plating to reduce white rust during transportation and storage
Chromium-free passivation (C5) It is required to limit the hexavalent chromium that is harmful to the environment and the human body in the passivation liquid, and the surface treatment method used
Fingerprint resistance (N) The surface treatment method after the passivation process plays a role of lubrication in the processing process, prevents fingerprints from fingerprints during operation, and prevents premature blackening of the surface during use
Chrome-free and fingerprint resistant (N5) The surface treatment method after the passivation process plays a lubricating effect during the processing, prevents fingerprints from being stained during operation, prevents premature blackening of the surface during use, and requires that the fingerprint resistant film is harmful to the environment and human body Hexavalent chromium equivalent content
Oiling (O) After the passivation process, to further reduce the corrosion during long-distance transportation and long-term storage, the surface treatment method is added
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CONTACT US
 

International Marketing Department
——

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0086-13506663511 Mr Zhou
Whatsapp:
0086-13506663511
E-mail: icl@china-ppgi.com
HTTP: www.china-ppgi.com
ADD:Dianzi Town Industrial Park, Boxing County, Binzhou City, Shandong Province

 

CONTACT US
 

Domestic Marketing Department
——

TEL/Whatsapp:
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TEL:
0543-7022661
E-mail: sales@china-ppgi.com
HTTP: www.china-ppgi.com

ADD:Dianzi Town Industrial Park, Boxing County, Binzhou City, Shandong Province

 

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