Prepainted Aluminum Coil for Roller Shutter

Prepainted Aluminum Coil for Roller Shutter System 1

Prepainted Aluminum Coil for Roller Shutter

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 8 m.t.

Supply Capability:: 5000 m.t./month

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Specification

Grade:

1000 Series

Surface Treatment:

Coated

Shape:

Flat

Temper:

O-H112

Application:

Decorations

Structure of Prepainted Aluminum Coil for Roller Shutter Description:

Coated aluminum coil/sheet are of a wide range of colors, which gives wonderful appearance no matter in residential and commercial constructions of great exhibition centers.

Interior: wall cladding, ceilings, bathrooms, kitchens and balconies, shutters, doors...

Exterior: wall cladding, facades, roofing, canopies, tunnels,column covers , renovations...

Advertisement: display platforms, signboards, fascia, shop fronts...

Main Features of the Prepainted Aluminum Coil for Roller Shutter:

Enviromental, light weight, waterproof, fireproof, anti-rust, weather resistance, easy cleaning, easy matching with other decoration materials...

Images of Prepainted Aluminum Coil for Roller Shutter:

Prepainted Aluminum Coil for Roller Shutter

Prepainted Aluminum Coil for Roller Shutter Specifications:

Item	Test Item	Standard	National standard	DF Test Result
1	Color Difference	ECCA T3	Δ E≤ 2.0	Δ E≤ 1.5
2	Gloss Difference	ECCA T2	≤ 10	≤ 5
3	Coating Thickness	ECCA T1	Two layers Min 23um	≥ 24um
			Three layers Min 30um	≥ 33um
4	Pencil Hardness	ASTM D3363	≥ HB	HB
5	T-bend	ASTM D4145	≤ 2T	≤ 2T
6	Adhesion	ASTM D3359	Grade 0	Grade 0
7	Impact	ASTM D2794	≥ 50 kg/cm	≥ 50 kg/cm
8	Boiling water Resistance	GB/T17748	2h No Change	4h No Change
9	Solvent Resistance	ASTM D2248	200 times paints remaining	500 times no break
10	Acidity Resistance	ASTM D1308	5%HCL 24hrs no change	No change
11	Alkali Resistance	ASTM D1308	5%NaOH 24hrs no change color Δ E≤ 2.0	No change
12	Nitric acid Resistance	AAMA620	Δ E≤ 5.0	Δ E≤ 5.0
13	Oil Resistance	ASTM D1308	20# oil 24hrs no change	No change
14	Salt Spray Resistance	ASTM B117	4000hrs≤ Grade 1	No change
15	Abrasion resistance	ASTM D968	≥ 5L/um	≥ 5L/um
16	Dirt Resistance	GB/T9780	≤ 5%	< 5%
17	Color retaining	GB/T16259	4000 hrsΔ E≤ 4.0	4000 hrsΔ E≤ 3.0
18	Gloss weaken Level	GB/T16259	4000 hrs ≤ Grade 2	4000 hrs ≤ Grade 2

FAQ :

a.What is monthly capacity

---CNBM is one stated own company and our monthly capacity is about 2000tons.

b. Now which countries do you export your goods?

---Now we export to South East Asia,Africa, North America,South America ect.

Q: How do aluminum coils contribute to sustainability efforts?: Aluminum coils play a significant role in sustainability efforts due to their numerous environmental benefits. Firstly, aluminum is a highly recyclable material, with almost 75% of all aluminum ever produced still in use today. This means that aluminum coils can be recycled and reused indefinitely without losing their original properties, resulting in significant energy savings and reduced greenhouse gas emissions compared to producing new aluminum. Furthermore, the recycling process of aluminum coils requires only 5% of the energy needed to produce new aluminum from raw materials. This energy efficiency not only saves valuable resources but also reduces the extraction and processing of bauxite ore, the primary source of aluminum, which can have detrimental effects on the environment. Additionally, aluminum coils are lightweight yet durable, making them an ideal choice for various applications in industries such as automotive, construction, and packaging. Their lightness reduces fuel consumption in transportation, leading to lower carbon emissions. Moreover, their durability ensures a longer lifespan, reducing the need for frequent replacements and thus minimizing waste generation. The use of aluminum coils also contributes to sustainable building practices. Aluminum is corrosion-resistant, making it suitable for exterior applications and reducing maintenance requirements. Moreover, it can be easily integrated into energy-efficient building systems, such as reflective roofing, which helps to reduce energy consumption and mitigate the urban heat island effect. In summary, aluminum coils contribute to sustainability efforts by being highly recyclable, energy-efficient in production and recycling, lightweight to reduce fuel consumption, durable to minimize waste, and suitable for various sustainable applications. By choosing aluminum coils, industries and individuals can actively participate in promoting a circular economy and reducing their environmental footprint.

Q: What are the common surface finishes available for aluminum coils?: Aluminum coils come in various surface finishes, each with its own advantages and aesthetic appeal. One popular option is the mill finish, which is the standard finish applied directly from the mill. It provides a smooth and shiny surface without any additional treatments or coatings. Another common choice for aluminum coils is the anodized finish. This involves an electrochemical process that creates a durable and corrosion-resistant layer on the aluminum's surface. Anodized finishes can be clear or colored, offering a wide range of design options. Painted or coated finishes are also widely used for aluminum coils. This involves applying a layer of paint or coating to enhance appearance and protect against corrosion. The color, gloss level, and texture of painted finishes can be customized to suit different design needs. Brushed finishes are often employed for aluminum coils, creating a pattern of fine lines or scratches on the surface. This unique texture adds visual interest to various applications. Laminating is another option for aluminum coil finishes. It involves applying a thin layer of film or other material to provide additional protection against scratches, UV rays, and other elements. The laminated finish can be glossy or matte, depending on the desired look. In summary, the available surface finishes for aluminum coils include mill finish, anodized finish, painted or coated finish, brushed finish, and laminated finish. Each finish has its own advantages and can be chosen based on specific requirements such as aesthetics, durability, corrosion resistance, and customization options.

Q: Can aluminum coils be used in high-radiation environments?: Depending on the level of radiation exposure, the performance and durability of aluminum coils may be affected when used in high-radiation environments. Aluminum, which is a relatively good conductor of heat and electricity, is suitable for various applications, including coil systems. However, exposure to high levels of radiation can make aluminum more susceptible to degradation and corrosion. In high-radiation environments, the main concern is the potential damage caused by radiation. Compared to metals like stainless steel or titanium, aluminum has relatively low radiation resistance. This means that prolonged exposure to high radiation levels can result in structural changes, such as embrittlement and loss of mechanical properties. To mitigate these risks, several factors must be taken into account. The specific radiation level, duration of exposure, and intended use of the aluminum coils are critical in determining their suitability for high-radiation environments. Additionally, applying protective coatings or treatments can enhance the radiation resistance of the aluminum coils, improving their durability and lifespan. Ultimately, the decision to use aluminum coils in high-radiation environments should be based on a thorough assessment of radiation levels, potential risks, and specific application requirements. It may be necessary to consult radiation experts and consider alternative materials to ensure optimal performance and safety in these demanding conditions.

Q: Can aluminum coils be painted or coated after installation?: After installation, it is indeed possible to paint or coat aluminum coils. Aluminum, being a versatile material, lends itself well to painting or coating in order to improve its aesthetics or offer extra safeguarding. Opting to paint or coat aluminum coils subsequent to installation can effectively thwart corrosion, enhance durability, and yield a personalized finish. The selection of paint or coating hinges upon the specific necessities and desired results. Prior to applying any paint or coating, it is crucial to thoroughly clean and prepare the aluminum surface to ensure strong adhesion and long-lasting results.

Q: where is aluminum found in the world or in the universe?do u think aluminum is more valuable to people than gold?why or why not?im just lazy to look up the answers and person 4 best answer 10points: where is aluminum found in the world aluminum is in fact the third most common element in the Earth's crust, and it is the most common metallic element on Earth. In a pure form, aluminum is silvery white and extremely lightweight. aluminum is more valuable to people than gold? aluminum continues to remake the modern world. We can see it everywhere; in architecture, transportation, electrical cables, communications and consumer products. Because it’s light-weight, strong, versatile and easy to recycle, aluminum is becoming more and more valuable in our daily lives melting point and boiling point Melting Point: 933.437 K (660.323°C or 1220.581°F) Boiling Point: 2792 K (2519°C or 4566°F)

Q: who discovered aluminum and in what year did they discover it?: They didnt discover it they created it its an alloy! Charles Martin Hall invented the aluminum manufacturing process Although aluminum is the most abundant metal in the earth's crust, it is never found free in nature. All of the earth's aluminum has combined with other elements to form compounds. Two of the most common compounds are alum, such as potassium aluminum sulfate (KAl(SO4)2·12H2O), and aluminum oxide (Al2O3). About 8.2% of the earth's crust is composed of aluminum. Scientists suspected than an unknown metal existed in alum as early as 1787, but they did not have a way to extract it until 1825. Hans Christian Oersted, a Danish chemist, was the first to produce tiny amounts of aluminum. Two years later, Friedrich W?hler, a German chemist, developed a different way to obtain aluminum. By 1845, he was able to produce samples large enough to determine some of aluminum's basic properties. W?hler's method was improved in 1854 by Henri ?tienne Sainte-Claire Deville, a French chemist. Deville's process allowed for the commercial production of aluminum. As a result, the price of aluminum dropped from around $1200 per kilogram in 1852 to around $40 per kilogram in 1859. Unfortunately, aluminum remained too expensive to be widely used.

Q: Are aluminum coils compatible with other building materials?: Yes, aluminum coils are compatible with other building materials. Aluminum is a versatile material that can be used in conjunction with various building materials such as steel, concrete, glass, and wood. It is commonly used in construction projects for roofing, cladding, and façade systems, as well as in HVAC and electrical applications. Aluminum's corrosion resistance and lightweight properties make it a preferred choice for integration with other building materials.

Q: How is Aluminum formed??Thanks!!: I don't think any significant quantity of aluminum is produced by reduction with carbon - aluminum is too reactive for this to give a good yield. Instead, the metal is produced by electrolysis in the Hall-Heroult process. First, aluminum ore is processed to aluminum oxide in the Bayer process. This ore, bauxite, consists of aluminum oxides and hydroxides with some impurities, mostly iron oxides. The aluminum oxide/hydroxides are dissolved with concentrated sodium hydroxide in water. Iron oxides and hydroxides do not dissolve, and are filtered out. AlOOH (insoluble in water) + NaOH + H2O ----- NaAl(OH)4 (soluble in water) Neutralizing or cooling this solution will cause aluminum hydroxide to precipitate out. This is then heated strongly to drive off water and produce aluminum oxide. 2Al(OH)3 ----- Al2O3 + 3H2O This aluminum oxide can be melted and then electrolyzed to make the metal and oxygen gas. However, the melting point of aluminum oxide is very high, so it is dissolved in molten cryolite (Na3AlF6), which has a lower melting point. This is then electrolyzed, and molten aluminum collects at the bottom of the cell (cathode), where it can be drawn off. Because the oxygen that would be formed will attack most metal electrodes, a sacrificial carbon electrode is used for the anode and is oxidized to CO2. Very small amounts of aluminum metal occur in nature - it is usually found in association with fossil fuel deposits (which provide the reduced carbon necessary to reduce aluminum minerals).

Q: How do you store and transport aluminum coils?: Aluminum coils are typically stored and transported using a few different methods to ensure their safety and prevent damage. When it comes to storage, it is essential to keep the coils in a dry, clean, and well-ventilated area to avoid any moisture-related issues or corrosion. Ideally, the storage area should have a controlled temperature to prevent any extreme fluctuations that could affect the quality of the aluminum. To protect the coils from physical damage, they should be stored horizontally or vertically on a stable and level surface. It is crucial to avoid stacking them too high to prevent any potential collapse and ensure easy access for inspection or transportation purposes. Additionally, placing them on wooden pallets or racks with proper spacing between each coil can provide extra stability and protection. When it comes to transporting aluminum coils, there are several options available depending on the quantity, distance, and mode of transportation. For short distances or smaller quantities, hand trucks or forklifts can be used to move the coils onto a flatbed truck or a van. It is important to secure the coils properly using straps or bands to prevent any movement during transit. For larger quantities or longer distances, the coils can be transported using specialized coil carriers. These carriers are designed to securely hold multiple coils in an organized manner, limiting any potential damage caused by vibration or shifting during transportation. They are typically equipped with side rails and restraining bars to secure the coils in place. Regardless of the method used for transportation, it is crucial to handle the aluminum coils with care and ensure they are adequately protected. Regular inspections should be conducted before, during, and after transportation to identify any signs of damage or issues that could compromise the integrity of the coils. By following these guidelines, the storage and transportation of aluminum coils can be done efficiently and safely.

Q: Are aluminum coils suitable for electrical conductivity applications?: Yes, aluminum coils are suitable for electrical conductivity applications. Aluminum is a good conductor of electricity, second only to copper in terms of conductivity. It is widely used in various electrical applications, including power transmission lines, electrical wiring, and electronic devices. Aluminum coils offer efficient electrical conductivity while being lightweight, cost-effective, and resistant to corrosion.

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