Product Description
▶ Product Parameter
Litong’s lacquered aluminium coil is suitable to be worked up in a sectional rolling and pressing processes for parts for flashings.
1. Metal Properties
Popular types of alloy and metal thickness:
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IA |
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Metal thickness in mm Tolerance in mm |
0.47 0.57 0.65 ±0.025 |
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Alloy types: |
AA 3003 AlMnCu |
AA 3105 AlMn0.5Mg0.5 |
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Yield point (Rp0,2) |
Min: 105 N/mm² |
Max: 130 N/mm² Min: 100 N/mm² |
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Tensile strength (Rm) |
Max: 170 N/mm² Min: 130 N/mm² |
Max: 170 N/mm² Min: 120 N/mm² |
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Elongation (A50mm) |
Min: 5 % |
Min: 5 % |
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IB |
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Metal thickness in mm Tolerance in mm |
0.65 0.80 1.0 ±0.038 |
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Alloy types: |
AA 3003 AlMnCu |
AA 3005 AlMnMg0.5 |
AA 3105 AlMn0.5Mg0.5 |
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Yield point (Rp0,2) |
Max: 140 N/mm² Min: 90 N/mm² |
Min: 80 N/mm² |
Max: 140 N/mm² Min: 90 N/mm² |
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Tensile strength (Rm) |
Max: 170 N/mm² Min: 120 N/mm² |
Max: 180 N/mm² Min: 130 N/mm² |
Max: 170 N/mm² Min: 120 N/mm² |
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Elongation (A50mm) |
Min: 5 % |
Min: 5 % |
Min: 5 % |
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2. PVDF Paint Properties:
2.1 Front lacquer properties:
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No. |
Testing |
Requirements |
Testing acc. to |
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1 |
Coating thickness |
Total: Nominal thk. 24 µm Primer: 5 ±1.5 µm Finishing lacquer: 19 ±1.3 µm |
ASTM D 1400 |
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2 |
Gloss 60° |
30E ±5E Max. tolerance per batch ±3E |
ASTM D 523 |
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3 |
Color W-Purchase color reference no. 2000 corresponding to NCS S-7500-N (Cool Grey) |
ΔL* = ±0.7 Δa* = ±0.7 Δb* = ±0.7 Max: ΔE*ab 1.0 Recommended values for reference color no. 2000: L= 38.5 a= 0.12 b= -0.15 |
ASTM D 2244 The reference color samples are stored at –10°C or lower Color geometry 45/0 Observer angle 2° Illuminate D6S Color system CIElab |
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4 |
Pencil hardness |
Min: F |
ASTM D 3363 |
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5 |
Cracking resistance to rapid deformation |
No cracking after an impact of 10 Nm per mm thickness. |
ASTM D 2794 |
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6 |
Lacquer resistance, Erichsen Method |
No dissolution of lacquer after 4 mm by adhesive tape test. |
EN ISO 1520, 1995 |
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7 |
T-bending at 22 ±2°C |
1T |
ASTM D 4145 |
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8 |
UV-Test (QUV-Weathering Tester) |
1000h To be measured on washed components. Gloss 60°: Remainder of gloss min. 10% of the original gloss. Change of color max: ΔE*ab ≤5. |
ASTM G 53 Gloss: ASTM D 523 Color: ASTM D 2244 |
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9 |
Resistance to "nature" |
To be measured on washed components. Gloss: Remainder of gloss 80% of the original gloss. Change of color: Max: ΔE*ab ≤5 |
Florida 45° South after 3 years. Gloss: ASTM D 523 Colour: ASTM D 2244 |
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10 |
Salt fog test and/or |
1008h Neutral No formation of blisters or lacquer dissolution on untreated material corners. 504h Acetic Acid No formation of blisters or lacquer dissolution on untreated material corners. Max. migration from the cutting edge 1.5 mm. |
ASTM B 117 ASTM B 287 |
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11 |
Water immersion resistance |
1000h at 40º No formation of blisters or lacquer dissolution on untreated material corners. Max. migration from the cutting edge 0.5 mm. |
ASTM D 870 |
2.2 Backside lacquer properties and general requirements for lacquered aluminium stripes:
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No. |
Measuring |
Requirements |
Testing acc. to |
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1 |
Coating thickness |
5 ± 1.5 µm |
ASTM D 1400 |
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2 |
Colour |
Color: According to agreement with Clients’ requirements |
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3 |
Gloss 60º |
40 ± 10E |
ASTM D 523 |
3. The lacquered surface is suitable for the gluing with hot-melt. After outdoors exposure the lacquered surface will have a uniform appearance regarding surface and color.
4. Our coating capacity: 0.024mm~1.5mm
5. Our coating & slitting capacity: 15mm~1600mm
6. Popular Color: White, Silver, Anthracite Grey, Brown, Wooden texture, …We can follow any color of RAL K5 & K7, Pantone, or clients’ colors
7. Tolerances for widths of lacquered aluminium coils:
0 – 100 mm 101 – 250 mm 251 – 400 mm 401 – 600 mm 601 – 1600 mm
+0/-0.2 +0/-0.3 mm +0/-0.5 mm +0/-0.8 mm mm +0/-1.2 mm mm
8. Edge burrs of painted aluminium stripes: Edge burrs must not cause problems in the production and they must be as small as possible.
▶ Ordering & Packing
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Minimum Order Quantity(MOQ) |
1~5MT each spec. |
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Essential info. for an inquiry |
Alloy&temper, size including thickness, width, coating type |
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Aluminium material can be provided as coils, stripes, slats according to clients requirement |
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Painted aluminium coils Packing |
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Inner Core material |
Paper Core |
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Inner Core Diameter |
405 / 505mm |
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Outer packing material |
Paperboard |
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Wooden pallet for Ocean transportation with wooden runners between each pan |
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▶ Painted Aluminium Coils Production Capacity: 100,000tons/year
▶ Country & Regin exported: Europe, North America, Asia
▶ Applications of PVDF painted aluminium stripes:
Aluminium flashings for roof windows.
▶ Exhibition we attended:
▶ Our Partners:
