PVDF Coated Aluminum Coil

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PVDF Coated Aluminum Coil

Performance and Usage

PVDFcoated aluminum coils are specially processed through the technics of roller coating and baking with precisepaints from Becker Industrial Coatings in Sweden and the ValsparCorporation in USA. The main material of PVDF is polyvinylidene fluoride resin; the utmost negativecharacteristic of the Flatomcan form a very strength high powerful Fl-C bond. Moreover, with the special symmetry molecule structure,the products are of strong weather resistance performance, anti-ultravioletperformance, super long durability and anti-corrosion performance, which canmaintain very bright and glossy color even serving for 20 years in indoorenvironment. Attributing to the abrasion resistance and impactresistance and flexibility, our products are of excellent mechanical processingperformance.

PVDF coated aluminum coils are the highest priority of choice to high classaluminum composite panels, and its composite products are widely used inairport, exhibition center, administration center, star hotel and other symbolbuilding.

美工放图：PVDP彩涂1.jpg

Performance of the Coating

Aluminum

Thickness

Coating Thickness

MEK

T Bend

Impact

Adhesion

Pencil Hardness

Boiling Water Proof

0.3-1.5 ㎜

≥25μm

≥100 Times

≤2T

50 ㎏ • ㎝

0 Grade

≥HB

no change

within 2 hours

0.15-0.28 ㎜

≥25μm

≥100 Times

≤2T

20 ㎏ • ㎝

0 Grade

≥HB

no change

within 2 hours

The Performance of PVDF Coated Coil

Item	Test Item	Standard	National Standard	Test Result
1	Color difference	ECCA T3	Δ E ≤ 2.0	Δ E ≤ 1.0
2	Gloss	ECCA T2	Difference ≤ 10	Difference ≤ 5
3	Coating thickness	ECCA T1	23µm Two coatings Min 23µm	≥ 25µm
3	Coating thickness	ECCA T1	3 Three layers Min 30µm	≥ 34µm
4	Pencil hardness	ECCA T4	≥ HB	HB
5	T-bend	ASTM D4145	≤ 2T	≤ 2T
6	Adhesion	ASTM D3359	Grade 0	Grade 0
7	Impact	ASTM D2794	≥ 50kgNaN	≥ 50kgNaN
8	Boiling water resistance	GB/T17748	2hrs No change	4hrs No change
9	Solvent resistance	ASTM D2248	200 times paint remaining	500 times paint remaining
10	Acidity resistance	ASTM D1308	5%HCL 24h No change	No change
11	Alkali resistance	ASTM D1308	5%NaOH 24h △ E ≤ 2.0	No change
12	Nitric acid resistance	AAMA620	△ E ≤ 5.0	△ E ≤ 5.0
13	Oil resistance	ASTM D1308	20 ＃ oil 24hrs No change	No change
14	Salt fog resistance	ASTM B117	4000hrs ≤ Grade 11	No change
15	Abrasion Resistance	ASTM D968	≥ 5L/µm	≥ 5L/µm
16	Dirt resistance	GB/T9780	≤ 5%	＜ 5%
17	Color retaining	GB/T16259	4000hrs ，△ E ≤ 4.0	△ E ≤ 3.0
18	Gloss losing level		4000hrs ≤ Grade 2	≤ Grade 2
19	Chalking		4000hrs No change	No change

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