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: i used hf acid to clean the rails on my trailer and it left black streaks on the alluminum... uld it be the type of aluminum alloy???: Aluminum will oxidize. Not like steel though, that forms the red orange rust (iron oxide) that will eventually eat through thin steel. When aluminum oxidizes, it leaves a thin cloudy film on the surface. That's why nice new shiny diamond plate gets dull after being exposed for some time. It can be removed by some chemicals, apparently your hf acid. When the acid breaks down the cloudy oxidize layer, it may turn into a black residue. You'll be left with a clean aluminum surface that will, over time, oxidize and get that cloudy film again. It could also be waste compound of your hf acid etching the surface. Check to see whether the acid you're using will etch or clean an aluminum surface.

Q: Can aluminum coils be used in the manufacturing of cans?: Yes, aluminum coils can be used in the manufacturing of cans. Aluminum coils are often used to produce the thin sheets of aluminum that are then formed into cans. The coils are typically processed through a series of steps, including rolling, annealing, and slitting, to create the desired thickness and width for can production. The aluminum sheets are then cut into appropriate sizes and shaped into the familiar cylindrical can shape. Aluminum is a popular choice for can manufacturing due to its lightweight, durable, and corrosion-resistant properties. It also provides a barrier to light, oxygen, and moisture, helping to preserve the quality and shelf life of the contents inside the cans. Overall, aluminum coils are an essential component in the manufacturing process of cans and play a significant role in the packaging industry.

Q: How long do aluminum coils last?: The lifespan of aluminum coils can vary depending on various factors such as usage, maintenance, and environmental conditions. However, on average, well-maintained aluminum coils can last anywhere between 15 to 20 years.

Q: How are aluminum coils protected against scratches and damage?: Aluminum coils are protected against scratches and damage through various methods such as applying protective coatings, using protective films, and implementing proper handling and packaging techniques during transportation and storage.

Q: Are there any limitations on the bending or forming of aluminum coils?: The bending or forming of aluminum coils does have limitations. Despite being a relatively malleable metal, aluminum does possess certain constraints in terms of bending or forming. Firstly, one limitation lies in the occurrence of cracks or fractures during the bending process. Unlike other metals, aluminum exhibits lower ductility, making it prone to cracking or breaking under excessive stress or strain. As a result, it is crucial to carefully manage the bending process to prevent over-stressing the aluminum coils and causing damage. Another limitation involves the spring-back effect. When aluminum is bent or formed, it naturally tends to slightly return to its original shape. This poses a challenge in achieving precise and accurate bends or forms, especially with complex shapes or tight tolerances. Moreover, the thickness and grade of the aluminum can impact its bendability. Thicker aluminum coils may necessitate more force or specialized equipment for bending, while different mechanical properties of specific aluminum alloys can influence their formability. To address these limitations, various techniques and tools can be employed. For instance, the use of specialized bending equipment like press brakes or roll forming machines can help control the bending process and minimize the risk of cracking or spring-back. Additionally, preheating the aluminum coils can enhance their ductility, making them more pliable for bending or forming. Considering these limitations and operating within defined parameters is essential for successful bending or forming of aluminum coils. Seeking advice and assistance from experts or manufacturers well-versed in aluminum processing can provide valuable guidance in effectively overcoming these limitations.

Q: Can aluminum coils be used in electrical busbars?: Indeed, electrical busbars can utilize aluminum coils. Due to its high electrical conductivity, affordability, and lightweight nature, aluminum is widely employed as a busbar material. Aluminum coils can effortlessly be molded into different configurations and dimensions, tailored to meet specific busbar criteria. Furthermore, aluminum possesses commendable thermal conductivity, facilitating efficient dissipation of heat in applications involving high currents. Nevertheless, it is crucial to take into account the current carrying capacity, mechanical strength, and corrosion resistance of aluminum coils when opting for them in busbar applications.

Q: Are aluminum coils fire-resistant?: Aluminum coils possess fire-resistant qualities due to their high melting point of 660 degrees Celsius (1220 degrees Fahrenheit) and their inability to burn, rendering them non-combustible. This specific characteristic allows for the utilization of aluminum coils in various applications, particularly in sectors where fire resistance is of utmost importance, such as building construction, electrical wiring, and HVAC systems. Moreover, the remarkable heat conductivity of aluminum facilitates rapid heat dissipation, thereby minimizing the risk of fire incidents. Nevertheless, it is crucial to acknowledge that although aluminum coils themselves exhibit fire-resistant properties, they may be incorporated into systems alongside other components that might not share the same level of fire resistance. Consequently, it is essential to consider the entirety of the system and adhere to proper fire safety regulations and guidelines to ensure comprehensive fire safety precautions.

Q: How do aluminum coils compare to other metal coils in terms of cost?: Aluminum coils are generally more cost-effective compared to other metal coils. This is primarily due to the abundance of aluminum as a raw material and the relatively low cost of extraction and production processes. Additionally, aluminum coils offer a lightweight and durable solution, reducing transportation and installation costs. Moreover, aluminum is resistant to corrosion, which eliminates the need for frequent maintenance and replacement expenses. In contrast, other metal coils such as copper or stainless steel may have higher initial costs and require additional coatings or treatments to prevent corrosion. Therefore, when considering the overall cost, aluminum coils are often a more economical choice.

Q: actually pollute more than the process of extracting it from earth and producing new aluminum?I saw a report about 5 years ago on this and was wondering if anyone else had info on this subject.: Much less smelting required to convert pure aluminum into aluminum ingots than is needed to process boxite(?) into aluminum ingots.