Coil Coated Aluminium

Aluminum coil coatingis a kind of polyester coating coil. It has the characteristics of high weather resistance, which can effectively improve the anti-ultraviolet ability and prolong the service life of outdoor use.

Painted Aluminium Coil

Painted aluminium coil is a color coating treatment on aluminum coil. Commonly fluorocarbon color coated aluminum and polyester color coated aluminum are widely used in aluminum composite panels, aluminum veneer, aluminum honeycomb panels and so on. Aluminum ceilings, roof surfaces, leftovers, cans and electronic products. Its performance is very stable and not easy to corrode. After special treatment, the surface can reach 30 years of quality assurance. The weight per unit volume is the lightest among metal materials.

painted aluminium coil is treated with various colorful paint coatings on the surface of aluminum coils after washing, chromium penetration, roller coating, baking and other processes.

Coatings applied to Painted aluminium coil and sheets serve a number of purposes, including:

Protecting the aluminum from corrosion and other types of damage

Improving the appearance of the aluminum by providing a uniform, smooth finish

Enhancing the performance of the aluminum in certain applications, such as in the construction or automotive industries

There are several different types of coatings that can be applied to painted aluminium coil, including:

PVDF (polyvinylidene fluoride) coatings: These coatings provide excellent weathering resistance and are commonly used in architectural and construction applications.

Powder coatings: These coatings are made from dry, finely ground resin and are applied to the aluminum using heat. They are known for their excellent corrosion resistance and durability.

Anodized coatings: These coatings are formed by an electrolytic process that creates a thin, oxide layer on the surface of the aluminum. Anodized coatings are known for their excellent corrosion resistance and durability.

Organic coatings: These coatings are made from a variety of organic materials, such as paints, enamels, or lacquers, and are applied to the aluminum using a variety of techniques, such as roll coating or spray coating. Organic coatings are commonly used for decorative or aesthetic purposes.

In summary, painted aluminium coil is the process of applying a protective layer or coating to aluminum coils or sheets to protect the aluminum and improve its performance in certain applications. There are several different types of coatings that can be applied to aluminum, including PVDF, powder, anodized, and organic coatings.

Advantages of Painted Aluminium Coil:

Applications

● Building facades

● Curtain wall and shading elements

• Roofing
• Roller blinds

● Composite walls and partitions

• Ceiling panels
• Laminate or sandwich panels

● Decorative panels

● Billboards

The painted aluminium coil performance

PVDF & FEVE & HDPEcoated aluminum coil performance
Item	Testing	Standard	Standard requirement	PVDF	FEVE	HDPE
1	Color	ECCA T3	Using range	Matt and dark colors	All colors	All colors
2	Gloss	ECCA T2		35	85	90
				15	50	20
3	Coating Thickness	ECCA T1	2 layers coating Min.23µm	≥25µm	≥25µm	≥25µm
			3 layers coating Min. 30µm	≥34µm	according to requirements	according to requirements
4	Pencil Hardness	ECCA T4	≥HB	HB	H	H
5	T-bend	ASTM D4145	Aluminum thickness≥0.50mm	90 degrees no crack	/	90 degrees no crack
			Aluminum thickness＜0.50mm	2T	2T	2T
6	Adhesion	ASTM D3359	Grade 0	Grade 0	Grade 0	Grade 0
7	Impact Resistance	ASTM D2794	≥50kg.cm	≥50kg.cm	≥50kg.cm	≥50kg.cm
8	Boil Resistance	GB/T17748	2 hours no change	4 hours no change	2 hours no change	2 hours no change
9	Solvent Resistance	ASTM D2248	200 times no change	200 times no change	200 times no change	200 times no change
10	Acidity Resistance	ASTM D1308	5%HCL 24h, no change	5%HCL 24h, no change	no change	2%HCL 24h, no change
11	Alkalescence Resistance	ASTM D1308	5%NaOH 24h,△E≤2.0	5%NaOH 24h,△E≤2.0	5%NaOH 24h, △E≤2.0	saturatedCa(OH)224 hours△E≤2.0
12	Nitric acid Resistance	AAMA620	△E≤5.0	△E≤5.0	△E≤5.0， slight blister	△E≤5.0， slight blister
13	Oil Resistance	ASTM D1308	20＃Engine oil 24 hours no change	20＃Engine oil 24 hours no change	20＃Engine oil 24 hours no change	no change
14	Salt Resistance	ASTM B117	4000hours no less than grade 1	4000hours no less than grade 1	4000hours no less than grade 1	2000 hours corrosion edge≤2mm
15	Abrasion Resistance	ASTM D968	≥5L/µm	≥5L/µm	Waiting for the third-party testing	Waiting for the third-party testing
16	Dirt Resistance	GB/T9780	≤5%	＜5%	Waiting for the third-party testing	Waiting for the third-party testing
17	Color retention	GB/T16259	4000hrs，△E≤4.0	4000hrs，△E≤4.0	2000 hours△E≤4.0	2000 hours△E≤4.0
18	Gloss weaken level		4000hours no less than grade 2	4000hours no less than grade 2	2000h, no less than grade 2	2000h, no less than grade 2
19	Chalk resistance		4000 hours no change	4000 hours no change（no less than grade 2）	2000hours, no less than grade 2	2000hours, no less than grade 2
20	Fluoride resin percentage			70%	≥95%	none
21	Guarantee for exterior using	GB/T16259		10-15 years in different colors	10-15 years in different colors	7-8 years in different colors

About manufacturer

As one of the most professionalcoated aluminum coil manufacturersand suppliers in China, with our experience and good management here, you will find the right coated aluminum coil with us, we are your reliable partner.

When youcontact us, please provide your detailed requirements. That will help us give you a valid quotation.

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