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Galvalume is a coating consisting of zinc, aluminium and silicon that is used to protect the metal from oxidation. And it would be less likely to rust than normal galvanized steel. These products are mainly used in the outdoor metal facades, panels and roofing.
Product origin:
China| Product Specifications | |||
|
Plating composition |
Plating thickness |
Product thickness |
Product width |
|
55% aluminum 43.5% zinc 1.5% silicon |
AZ30-AZ220 |
0.15–1.60mm |
700–1260mm |
| Product Warranty | ||
|
The amount of aluminum-zinc plating AZ150
Warranty period 20 years |
The amount of aluminum-zinc plating AZ180
Warranty period 25 years |
The amount of aluminum-zinc plating AZ200+
Warranty period 30 years |
Product Advantages
Small dendrites space distance
Dendrite spacing is an important factor in measuring the corrosion-resistance of the coated products. The smaller the dendrite spacing, the better the corrosion resistance of the coating layers. If the dendrite spacing of galvalume steel is greater than 20μm, the corrosion resistance of the product is poor.
With unique formula of the coating and control of coating thickness, the dendrite spacing of Shinmade galvalume steel is 10-15μm under electron microscopy, and the corrosion resistance of the product is excellent.
Ideal coating structure
The coating structure of Shinmade’s products is a staggered skeleton, which has good density and can prevent the intrusion of rainwater and other corrosive media, and that is why the product has good corrosion resistance. If the coating structure is bamboo-like, which means the coating layer is not dense enough and the corrosion resistance can be poor.
Small-sized and uniform spangle
The stability of crystallization determines the size and uniformity of spangles. The spangles are precisely controlled under the combined effects of the steel strip temperature, zinc liquid temperature, surface roughness, post-plating cooling, and special coating formula. The diameter of the spangle of Shinmade's galvalume is controlled between 0.5-3mm, which means the spangles are small-sized and uniform, and the appearance effect is more stable.
Chromate/Passivation+AFP
We adopt double-coating and baking process for post-treatment, which means we first to passivate, dry and cool the sheets, next to apply AFP coating on the sheets and dry and cool. The AFP film is thicker and cured better, so the processing lubricity is relatively better.
Aluminum-zinc sheet refers to the steel plate plating on the basis of zinc added aluminum (passivation protection), the general composition is 55% aluminum, 43.5% zinc, 1.5% silicon, with excellent atmospheric corrosion resistance, corrosion resistance is 2-4 times that of galvanized sheet, but also has the high temperature corrosion resistance of aluminum plate, smooth surface, good appearance.
Uses: building roofs, walls, electrical cabinets, home appliances, automobiles, color-coated substrates, etc.
Why Choose Shandong Shinmade?
The predecessor of Shandong Shinmade Material Tech Co. started in 1978 and has a history of 47 years. Shinmade is a modern steel enterprise integrating science research, production, trade and warehousing. It focuses on the production of PPGL steel coil, galvalume steel coil, hot-dip aluminum-zinc-magnesium alloy coated steel, cold rolled steel coils.
Shinmade's Certificate
Q: Can we visit your factory?
Warmly welcome. Once we have your schedule, we will arrange a professional sales team to follow up with you.
Q: Can you provide samples?
A: Yes, for regular size samples it is free.
Q: Why choose our company?
A: We have more than forty years of professional experience in this industry.
Aluminum-galvanized fingerprint resistant board is a special coating sheet with high wear resistance and fingerprint protection function, which is widely used in home decoration, building doors and windows, and electronic equipment. It has unique advantages and features that bring a more convenient experience to users. First of all, the aluminum-zinc fingerprint-resistant board can effectively resist fingerprints and stains. This special coating is manufactured using high-tech technology to form a fine protective film. This protective film has both high strength and super stain resistance, so that fingerprints and stains cannot adhere to the board.
Aluminum-galvanized fingerprint resistant board is a special coating sheet with high wear resistance and fingerprint protection function, which is widely used in home decoration, building doors and windows, and electronic equipment. It has unique advantages and features that bring a more convenient experience to users. First of all, the aluminum-zinc fingerprint-resistant board can effectively resist fingerprints and stains. This special coating is manufactured using high-tech technology to form a fine protective film. This protective film has both high strength and super stain resistance, so that fingerprints and stains cannot adhere to the board.
CRC Full Hard Specification： Thickness: 0.06 -2.0 mm. Width：750-1320 mm General inner diameter：508 mm Max.outer diameter：2000 mm Max.weight：26000 KG Standard：JIS G 3141
CRC Full Hard Specification： Thickness: 0.06 -2.0 mm. Width：750-1320 mm General inner diameter：508 mm Max.outer diameter：2000 mm Max.weight：26000 KG Standard：JIS G 3141
Shinmade's Pre-Painted Galvalume Steel Coils are specially designed to meet the diverse needs of modern construction. Featuring excellent corrosion resistance and strong adhesion of paint, PPGL coils are the ideal choice for exterior building components such as roofing systems, wall panels, industrial warehouses, and prefabricated house structures. Our coils are suitable for both residential and industrial uses, combining aesthetics with long-term durability in harsh environments.
Shinmade offers PPGL steel coils in a variety of coating systems to suit different project needs. Our coils are available in PE (Polyester), HDP (High-Durability Polyester), SMP (Silicone-Modified Polyester), and PVDF (Polyvinylidene Fluoride) finishes. Each system is designed to withstand specific environmental conditions—from general weathering to high UV and chemical resistance. Whether you are designing urban infrastructure or rural housing, we help you choose the right coating for the job.
Shinmade's PPGL coils not only offer high mechanical strength and formability but are also an environmentally friendly solution for green construction projects. With recyclable content and low VOC coatings, our products align with global sustainability standards. Whether used in eco-friendly housing or industrial zones with green certifications, Shinmade PPGL steel supports long-term energy efficiency and reduced maintenance costs.
At Shinmade, we supply PPGL steel coils that deliver long-lasting performance under extreme weather conditions. The galvalume substrate provides superior protection against rust, while the top paint layer enhances both UV resistance and surface finish. Whether you need materials for coastal buildings or high-humidity environments, our PPGL coils ensure structural integrity, vibrant colors, and resistance to fading, chalking, and peeling over time.
Shinmade,focusing on product quality and customer service,consist on the service concept of “all for customer’s convenience, confidence and honor”. We aim to strengthen regional competitiveness and sheet-strip brand establishing by transforming and upgrading to green, ecology and intellectual industry.
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