Chromated mill finish aluminium alloy metal

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Color coated aluminum coil is a material with excellentacid-resistance and alkali-resistance. The coating layer is even with brightcolor to last for a very long time. It is a green decoration material with thecharacters of environment protection, flame-resistance, and groovy colors. In nowadays, the color coatedaluminum coil has become the popular material for top grade decoration. With our advance professional aluminum coated technique, wecan custom various aluminum coils ,like coated aluminum coil , Color coatedaluminum coil , embossed aluminum sheet with the color and size which youdemands.

Informationof the product:

1) Process: pre-treatment, continuous painting and baking for times.

2) Material: high quality material, aluminum sheets from South WestAluminum Industry Company in China, pre-treatment material from Henkel &Chemtell from Germany, more than 70% of PVDF coating from PPG Corp., the USAand polyester from Sweden Becker Industrial Coating Co., Ltd.

3) Our products can keep excellent quality and stability.

4) Thickness: 0.06 - 1.0mm; width: 20 - 1,590mm



The aluminum coils are widely used in ACP/curtainpanel/honey comb panel/shutter/roofing and most of the decoration areas. Withthe superior quality and advanced management, our products had been export toEuro/North America /East Asia and many other areas and countries.


Aluminum-plastic Composite Panel is  called for short ACP or APCP. It’s a new material which is made of a series  of technological process, the surface is the aluminum sheet of surface treatment  and paint coating and the core is polyethylene plastic board.    

 SK coated aluminum coil, the surface can be made by customer’s request to  coated PE or PVDF, thousand of colors for selection, all kinds of alloy and thickness  width are can be made as requirement. It is ideal material for ACP  manufacturer


Aluminum Corrugated Composite Panel is  full aluminum alloy composite panel which is composed of aluminum alloy  front-panel, bottom plate and corrugated aluminum core vacuum.

SK coated aluminum coil, the surface is  coated with PVDF, perfect weather resistance and  excellent workability: various processing  method of cutting, connect, bending, round bending and others. It is ideal  material for aluminum corrugated composite panel.  

The inside and outside layer of aluminum  honeycomb panels are aluminum alloy sheet, intermediate sandwich material is  hexagonal aluminum foil honeycomb core, honeycomb core is bonding composed of  structural adhesive and aluminum alloy surface layer plate.

SK coated aluminum coil, The surface can  be coated PVDF or PE by customer requested colors, the back is epoxy. It is  ideal material of aluminum honeycomb panels making.

Metal exterior wall insulation board  surface is color coated aluminum sheet, and aluminum sheet can be according  to design request to choose facing design, color or roll forming for  specified grain making, basically for adornment effect, and also have good  weather resistance, corrosion resistance and self-cleaning. The middle layer  is rigid polyurethane foam with fine warming insulation performance.

SK coated aluminum coil, The surface  coated PVDF with perfect weather resistance, and also can be embossed for  customer request. It is good choice for exterior wall insulation board  manufacturer.

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Q:How much fluorocarbon and polyester paint should be used in production of aluminum coil and aluminum-plastic panel?
The theoretical calculation is very complicated and far from actual result. In general, the manufacturer knows how much area and how thick their products can be painted.
Q:What kind of sensor is appropriate for aluminum coil thickness measurement?
Thickness measurement can be divided into single-point and two-point thickness measurement, the principle of which is to measure thickness of aluminum coil through distance measure sensor. Single-point thickness measurement is to calculate the thickness by measuring the distance between the aluminum coils and then subtracting the distance with fiducial point. Double-point thickness measurement is to calculate the thickness by setting a proper distance between two sensors, putting the aluminum coil between them and measuring the distance and then subtracting the distance with initial distance, which is more accurate than single-point measurement. (Professional thickness measurement sensor is also based on single-point or two-point thickness measurement.) The distance measurement sensor can be divided into laser sensor, eddy current sensor and so on. The measuring range of laser sensor is larger than that of eddy current sensor, but less accurate. The While the accuracy of eddy current sensor is around 0.01%, and the measuring range is around several millimeters to more than ten millimeters.
Q:Is the aluminum coil with damaged side still useful?
The side of tire, also called side wall, is the thinnest and most fragile. Side wall damages can be divided into swell and scratch. The swell is often caused by external force (The car is trapped in pit or on curb when you are driving fast). It can cause the cord thread break so that the rubber of the tire side wall cannot be fixed and tightened. The size of the swell is often as big as that of an one-yuan coin and will become bigger as the traveling distance increases. Under such circumstance, it is recommended to replace the tire. Scratch is usually caused by bad roads or debris on the road. It is recommended to replace the tire if the scratch in the side wall is obvious and the cord thread break. If the front wheels have such damages, the tire should be replaced as soon as possible (Because the steering, braking and driving is mainly based on the front wheels.). If there is no spare tire on site, change the front damaged tire with the rear tire and drive to an appropriate place.
Q:Why 5052 turn black after annealing during the production of aluminum alloy?
The aluminum oxide in the surface has been oxidized by other chemical elements.
Q:Which companies will use aluminum sheet and coil?
Aluminum sheet coating plant
Q:What are the best rust-proof coils? Please tell me the model and manufacturer in Shangdong. Thank you.
3003 aluminum coil, AL-Mn series alloy, is the most widely used rust-proof aluminum with the density being 2.73. It is applicable to insulation projects such as pipe insulation, packaging, machine parts, refrigerator, air conditioning and ventilation pipes and other wet environment.
Q:How to measure the thickness of aluminum coil at real time? In what areas can the sensor be used?
I suggest that you use the laser displacement sensor for real-time measurement of the thickness of aluminum coil. ZLDS100 can exactly measure the change value of aluminum coil thickness through simple technique in the thickness measurement project, which can help judge the production phase and status.
Q:How to calculate the dosage of paint for aluminum coil coating? If the weight is 1 ton, the density 2.71 and the thickness 0.12mm, how much paint is needed?
Coating surface area S*0.12(thickness)*ρ(density) / solid(paint solid)=actual paint consumption brush and roller paint: 100% spray paint: calculated value*70%
Q:How to identify the quality of color coated aluminum coil and sheet?
Color coated aluminum coil is a kind of aluminum coil. As for qualified color coated aluminum coil, the surface has no impression, holiday and damage through the coating, and also no ripple, scratch and swell. All these are easy to see. However, the most important is the color difference of the color coated aluminum coil which is not obvious but will influence the decoration effect. Now the surface of curtain wall aluminum sheet will also be treated with electrostatic spraying. The power coating materials can have dozens of colors and realize good decorative effect, with polyurethane, polyethylene expansion resin and epoxy resin as raw materials, high color retention pigment as auxiliaries.
Q:Why there is always impression and indentation on the backup roller of aluminum coil rolling mill with 4 rollers.
Perhaps there is something wrong in the position controlling the working roller tilt and bend positive and negative convexity, making the working roller out of order and rubbing against the backup roller.

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