Aluminum Cold Rolled Coil for Roofing from China

Aluminum Cold Rolled Coil for Roofing from China System 1

Aluminum Cold Rolled Coil for Roofing from China System 2

Aluminum Cold Rolled Coil for Roofing from China

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t.

Supply Capability:: 100000 m.t./month

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Series:	1100 etc.
Series:	3003 3004 3005 etc.
Series:	5006, 5052
Series:	8011 etc.

Plate Thickness	0.1mm, 0.12mm,0.15mm,0.20mm,0.25mm,0.28mm,0.3mm,0.35mm,0.38mm, 0.4mm,0.5mm, 0.53mm, 0.58mm,0.68mm,0.7omm,0.73mm,0.75mm, 0.90mm, 1mm, 1.2mm
Coil Thickness	0.1mm, 0.12mm,0.15mm,0.20mm,0.25mm,0.28mm,0.3mm,0.35mm,0.38mm, 0.4mm,0.5mm, 0.53mm, 0.58mm,0.68mm,0.7omm,0.73mm,0.75mm, 0.90mm, 1mm, 1.2mm

Item	Test Item	Standard	National Standard	Test Result
1	Color Difference	ECCA T3	Delter E≤2.0	Delter E≤1.0
2	Gloss Difference	ECCA T2	≤10	≤5
3	Coating Thickness	ECCA T1	Two coating Min 23 mircron	≥25 micron
Three coating Min 30 micron	≥34 micron
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	≤50kg.cm	≤50kg.cm
8	Boiling Water Resistance	GB/T17748	2hr no change	4hr no change
9	Slovent Resistance	ASTM D2248	200 times paint remaining	500 times paint remaining
10	Acidity Resistance	ASTM D1308	5% HCL 24hrs no change	no change
11	Alkali Resistance	ASTM D1308	5% NAOH 24hrs Delter E≤2.0	no change
12	Nitric Acid Resistance	AAMA620	Delter E<5.0	Delter 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/Micron	≥5L/Micron
16	Contamination Resistance	GB/T9780	≤5%	<5%
17	Color Resistance	GB/T16259	4000hrs Delter E≤4.0	4000hrs Delter E≤3.0
18	Gloss Losing Level	4000hrs Delter E≤Grade 2	4000hrs Delter E≤Grade 2
19	Chalking	4000hrs no change	4000hrs no change

Company Information

CNBM is in aluminum foil, coil, sheet, plate for more than 10 years, thus we have rich product, technology and market experiences. With the world’s top aluminum processing equipments, experienced technical staff, cooperative and professional sales team, and the enterprise concept of responsibility and sharing, we have been widely focused since the day set up, and has gained high praise from customers home and abroad until now.

Cold Rolled Aluminum Coil for Roofing from China

Our Services

CNBM is ready to assist with any product needs or enquiries. We value our customers and welcome your thoughts and feedback.

Please send comments, questions and requests through alibaba or our personal contact so they can be directed to the appropriate department.

About samples: Based on our company rules, a few samples are willing to be offered, but clients are requested to pay freight.

Working time:9:00~17:30(GM+8) from Monday to Friday, but you also can contact with us via personal contact information during our leisure time. We will try our best to offer you service in 24*7 hours.

Any quality, quantity problems are occured, response you will get in time not over more 24 hours after we recieve your complains. Problems will be solved in one week throught friendly negotiation.

Cold Rolled Aluminum Coil for Roofing from China

Q: This question asks whether exposure to aluminum can lead to allergic reactions.: While aluminum is one of the most abundant elements on Earth and is commonly used in various products, most people do not experience allergic reactions to it. However, a small percentage of individuals may have an allergy to aluminum, which can cause contact dermatitis or other allergic responses. Symptoms can include redness, itching, and swelling at the site of contact. It's important for those with known aluminum allergies to avoid products containing aluminum and to consult with a healthcare provider for proper diagnosis and management of their allergy.

Q: This question asks for various applications of recycled aluminum other than its traditional uses.: Recycled aluminum has a wide range of alternative uses. It can be used in the manufacturing of new aluminum products, reducing the need for raw materials. It's also used in construction for window frames, doors, and roofing. In the automotive industry, recycled aluminum is used for car parts, helping to reduce vehicle weight and improve fuel efficiency. Additionally, it's utilized in the aerospace industry for lightweight aircraft components. Recycled aluminum is also found in everyday items like cans, foil, and packaging materials. Furthermore, it's used in electrical components due to its excellent conductivity, and in the production of bicycles and sports equipment for its strength and lightweight properties.

Q: Is it possible for aluminum to penetrate the skin and be absorbed into the body?: Aluminum can be absorbed through the skin, but the rate and extent of absorption are generally low. The skin acts as a barrier and only allows minimal absorption of aluminum. Most aluminum exposure comes from ingestion, not dermal absorption. The body's ability to absorb aluminum can be influenced by factors such as the form of aluminum, the condition of the skin, and the duration of exposure. However, it's important to note that aluminum is commonly found in everyday products and is generally considered safe in the amounts typically encountered.

Q: Is it possible to utilize aluminum as a material for automotive construction?: Yes, aluminum is commonly used in cars. It is valued for its lightweight properties, which can improve fuel efficiency and reduce emissions. Aluminum is used in various parts of a vehicle, including engine components, body panels, and suspension systems. Its high strength-to-weight ratio and resistance to corrosion make it an ideal material for automotive applications.

Q: Explain the distinction between pure aluminum and aluminum alloys, focusing on their composition and properties.: Pure aluminum is composed of aluminum alone, with a high degree of purity, typically over 99%. It is soft, malleable, and has good thermal and electrical conductivity. Aluminum alloys, on the other hand, are made by combining aluminum with other elements such as copper, magnesium, or silicon to enhance their strength, durability, and resistance to corrosion. These alloys are harder than pure aluminum and can be tailored for specific applications, making them more versatile for industrial use.

Q: Exploring the impact of reducing aluminum usage on global warming.: Using less aluminum in our daily lives can contribute to reducing global warming, albeit marginally. Aluminum production is energy-intensive, requiring significant amounts of electricity, often from fossil fuels. This process generates greenhouse gas emissions. By reducing demand for aluminum, we can potentially lower the energy consumption and emissions associated with its production. However, aluminum's impact on global warming is relatively small compared to other industries like transportation, energy production, and agriculture. Thus, while reducing aluminum use is beneficial, it should be part of a broader strategy to combat climate change that includes transitioning to renewable energy, improving energy efficiency, and adopting sustainable agricultural practices.

Q: Is it possible to utilize recycled aluminum in the construction of buildings?: Yes, recycled aluminum can be used for building materials. It is commonly used in various construction applications due to its strength, durability, and lightweight properties. Recycled aluminum is not only environmentally friendly but also cost-effective compared to newly mined aluminum. It is used in the production of aluminum windows, doors, roofing materials, and structural components. Additionally, its recyclability reduces waste and conserves natural resources.

Q: This question asks for examples of industrial processes that incorporate the use of aluminum.: Aluminum is widely used in various industrial processes due to its lightweight, corrosion resistance, and high strength-to-weight ratio. Some key industrial processes that utilize aluminum include the automotive industry for manufacturing car parts, the aerospace industry for aircraft construction, the construction industry for building materials, the packaging industry for food and beverage cans, and the electronics industry for components in devices. Aluminum is also used in the manufacturing of machinery, electrical equipment, and transportation equipment. Its versatility makes it a crucial material in many industrial applications.

Q: This question asks for various applications or purposes that can be served by using aluminum scrap material.: Aluminum scrap can be repurposed in numerous ways due to its recyclability and durability. Some alternative uses include manufacturing new aluminum products, such as cans, foil, and automotive parts. It can also be used in construction for materials like window frames and roofing. Additionally, aluminum scrap is utilized in the production of everyday items like bicycles, furniture, and even in some types of cookware. Furthermore, it can be employed in the aerospace industry for aircraft parts and in the electronics industry for components. Recycling aluminum scrap not only conserves resources but also reduces energy consumption and environmental impact.

Q: Describe the key differences between aluminum and stainless steel in terms of their properties and uses.: Aluminum and stainless steel are both metals with distinct properties. Aluminum is lightweight, corrosion-resistant, and has good thermal conductivity, making it ideal for applications like beverage cans, aircraft parts, and electrical wiring. It is also non-magnetic and has a lower melting point compared to steel. Stainless steel, on the other hand, is an alloy that contains chromium and is known for its strength, durability, and resistance to staining and corrosion. It is commonly used in cutlery, appliances, and construction materials. Stainless steel is heavier, stronger, and more resistant to high temperatures than aluminum.

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