Cold Rolling Aluminium Coils for Color Prepainting

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5 m.t.
Supply Capability:
5000 m.t./month

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 1.Structure of Cold Rolling Aluminium Coils for Color Prepainting


Cold Rolling Aluminium Coils for Color Prepainting is one semi-finished aluminium material. This strip can be rolled down to aluminium coil,sheet,circle ect.  The alloy AA1050 is widly used in building, industry ect. Its weight is much lower than steel. So many customers choosed aluminium material instead of steel.


2. Main features of the product



a.Competitive price---We have our own mills and can produce mill finished aluminium coils, so we can control the production cost better.

b.Professional after-sale service---We have more than 15 years exportation experience and you need not worry about the exporation problems.

c.Fast delivery time---We can control the delivery time within 35 days.






4. Products Specification



AlloyTemperColor CoatingCoating ThicknessWeight
AA1050H14Polyester22-25 microns2 tons


5. FAQ


What is the quality standard?
---Usually our standard is GB3880-2006
What is the largest width?
---It is 2300mm
What is the MOQ?
---Usually we can accept 80 tons.

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Q:Composite vs Aluminum baseball bats?
composites are so much better. the ball will travel way farther and your hands wont sting if you hit the ball on the handle. they are much better trust me
Q:who discovered aluminum and what year did they do it?
This Site Might Help You. RE: who discovered aluminum and what year did they do it? who discovered aluminum and in what year did they discover it?
Q:Is stainless steel harder than aluminum?
It depends. If you are talking about pure Al, then yes, any SS alloy is harder than pure Al. However... There are a huge range of stainless steel alloys and they can be processed in ways which produce a large range of hardness. Similarly, there are a huge range of Al alloys with a huge range of hardness values. If you are really interested in hardness values, you need to be specific about which materials you are talking about.
Q:how is aluminum formed?
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:wood aluminium windows?
Wooden windows provide insulation, Aluminium windows failed the EU standards for insulation.
Q:What is the chemical formula of aluminum reacting with oxygen?
You are right about aluminum having 3 valence electrons, but oxygen has 6. Oxygen wants two more to get to 8. So the ions are Al +3 and O-2. The formula is Al2O3
Q:What are the compositions of aluminum coil coating?
The common compositions are crylic resin, solid inorganic filler, different pigments, flatting agent and so on.
Q:Grinding up aluminum?
Q:hydrochloric acid + aluminum = ?
hydrochloric acid + aluminum produces aluminum chloride + hydrogen gas. 6HCl + 2Al ------- 2AlCl3 + 3H2 This is a single replacement reaction in which the hydrogen in the hydrochloric acid is replaced by the aluminum.
Q:The company wants to produce an aluminum coil production line, which is better for large aluminium smelting equipment?
Dongpu heat well, they have the qualification certificate issued by the state kiln construction, as far as I know, their melting furnace Aluminum Alloy 'plan is very good, and the operation is simple and safe, feel good, can be wiped off

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