Prepainted Aluminum Sheet High Quality and Good Price

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TT or LC
Min Order Qty:
10 m.t.
Supply Capability:
1000 m.t./month

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Product Description:

Structure of Prepainted Aluminium Sheet 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.

It is widely used in architecture (corrugated sheet and light steel structure of houses; transporting industry (automobile roof, vehicle & ship separator, container); household light products (shell of refrigerator, cooler, washing machine, air conditioner, etc), as well as metal sheet processing products and furniture.


Main Features of Prepainted Aluminium Sheet:

High intensity

Low welding costs.

Outstanding color compatibility after anodizing   

Easy to operate. All-position welding.

Excellent  corrosion resistance 


Images of Prepainted Aluminium sheet:


Prepainted Aluminum Sheet

Prepainted Aluminum Sheet

Prepainted Aluminum Sheet



Prepainted Aluminium Sheet Specification:

Specification of   prepainted aluminum coil sheet


Aluminium (AA1100, 3003, 3004, 3105, 5006, 5052, 8011, etc), etc.




<< span="">1800mm

Coils core diameter:

150mm ,405mm, 505mm, 508mm, 510mm

Coating thickness:

PVDF >=25micron POLYESTER>=18micron

Color standard:

E < 2 or it is not obvious by eyeballing

Pencil hardness:

> 2HB

Coating adhesive:

not lower than first grade Impact: no any crack (50kg/cm, ASTMD-2794:1993)

Bend stength:

>100 times

Boiling point:

no any distortion and color change (in the 99 more or less 1 degree water, then cooling 2 hours)


surface deep in the 5% muriatic acid and 5% NaCL, interior deep in the 2% muriatic acid and 2% NaCL, after 48 hours, no change


FAQ of  Prepainted Aluminium Sheet:

What's your package style?

Standard export packing as follow:

Plastic film wrapped inside and carton packing. Wooden pallet with steel strip tied.

Buyers can slao choose to pay for wooden case packing, which enables safer and more room saving in loading.


Now which countries do you export your goods?

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


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Q:which kind of abraser should be used for deburring of aluminum sheet?
you can use soft resin grinding stone.
Q:what's the size of gap while pressing 6mm aluminum sheet?
choose the 8-10% of the thickness for two-sided gaps.
Q:Which kind of solution should I use while welding aluminum sheet and copper pipe by tin soldering?
1, you must use over 350W soldering iron, 2,prepare some borax and tin soldering paster, you can’t use rosin to weld it, 3, polish the pipe to clean with fine abrasive paper and borax, 4, put the pipe and sheet into borax, use the soldering trip to rub on the weldment with some borax. 5, after the pipe and sheet become hot, use the soldering iron with the paster and tin to rub the pipe and sheet in borax, then it can be welded. 6, they can be welded together after welding.
Q:When water continually sprays on the aluminum sheet, how to avoid corrosion of aluminum sheet and keep its water resistance?
Don’t worry about it, after aluminum contacts water or air, a layer of oxide film will generate on its surface to separate aluminum from the water or air and protect it, so it won’t be erosive.
Q:what's the difference between zinc sheet and aluminum sheet?
Only zinc sheet can react, zinc is amphoteric.
Q:how to make aluminum products bright? How to polish or clean the products punch formed by 0.3mm aluminum sheet?
you can try to grind it with magnetic grinder.
Q:as for heating coil and aluminum sheet, which one is better for heating?
Heating coil has a short lifetime, and aluminum sheet for heating can be used for a long time. Stainless steel heating tube is embedded into aluminum sheet for heating, because the heating coil isn’t exposed, it can be used for a long time.
Q:after putting aluminum sheet into the area between magnet and iron products, could magnet attract iron again?
magnet can attract iron if the aluminum sheet isn't too thick. Because aluminum can't cut off magnetic line of force, unless aluminum sheet's thickness surpass the range of magnetic attraction.
Q:why does the bubble apear a few minutes later after putting aluminum sheet into diluted hydrochloric acid?
Aluminum element is extremely activated and will react with oxygen, generating aluminum oxide, once being exposed in air, so there is a layer of aluminum oxide on the surface of daily aluminum products including aluminum sheet. When aluminum sheet is put into diluted hydrochloric acid, aluminum oxide on the surface will firstly react with hydrochloric acid, generating aluminium chloride and water, the process won’t generate bubble, but after finishing the reaction of aluminum oxide on the surface, when the exposed aluminum element reacts with hydrochloric acid, generating aluminium chloride and oxygen, the bubble appears.
Q:what’s the difference of activated aluminum and aluminum sheet?
you can use weak acid ,weak base solvent or steam to clean the oil and dirt on the surface, it's activated aluminum, their difference is that activated aluminum has porous structure oxide film.

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