Wooden grain coated aluminum coils are widely applied to ACP,
aluminum ceiling, roofing, fireproof roller shutter, doors, wall panel , facade cladding, etc.
1. Specification for coated aluminum coils
01)Material: aluminum alloy A1100, A3003, A3005, A3105
02)Aluminum thickness:0.04-1.20mm
03)Max coil width: 1600mm(standard 1240mm)
04)Coil ID: 405mm,505mm, Coil OD: 1000-1400mm
05) Coil standard weight: 2500kgs/coil
06) Coating: PE or PVDF coating
07) Surface treatment: anti-scratch, glossy, matte
08) Color: wooden grain, marble stone, plain color,3D, HD, metallic, patterned, etc.
09) Dried and baked: oven baked at 450 degree F
10) Coating thickness: double coating-25 micron, single coating-18 micron
11) Coating hardness: (pencil hardness) 2H
12) Coating adhesive: no lower than first grade
13) Impact resistance: no cracking and peeling(50kg/cm, ASTMD-2794:1993)
14)Flexibility(T-bend):2T or by your option
15) MEK resistance: more than 100
16)Outer packing: wooden plate, covering with craft paper and film, Eye to Sky or wall to Sky packing.
2. Applications
Interior applications: ACP skin, door skin, wall cladding, ceilings, kitchen cabinet, balconies, shutters...
Exterior applications: roller shutters, gutters, wall cladding, facades, roofing, canopies, tunnels, column covers , renovations...
Advertisement and market applications: display platforms, signboards, fascia, shop fronts...
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Coating Characteristic table
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Item
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Test Item
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Standard
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National standard
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DF Test Result
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1
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Color Difference
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ECCA T3
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Δ E≤ 2.0
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Δ E≤ 1.5
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2
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Gloss Difference
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ECCA T2
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≤ 10
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≤ 5
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3
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Coating Thickness
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ECCA T1
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Two layers Min 23um
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≥ 24um
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Three layers Min 30um
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≥ 33um
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4
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Pencil Hardness
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ASTM D3363
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≥ HB
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HB
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5
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T-bend
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ASTM D4145
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≤ 2T
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≤ 2T
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6
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Adhesion
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ASTM D3359
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Grade 0
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Grade 0
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7
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Impact
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ASTM D2794
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≥ 50 kg/cm
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≥ 50 kg/cm
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8
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Boiling water Resistance
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GB/T17748
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2h No Change
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4h No Change
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9
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Solvent Resistance
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ASTM D2248
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200 times paints remaining
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500 times no break
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10
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Acidity Resistance
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ASTM D1308
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5%HCL 24hrs no change
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No change
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11
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Alkali Resistance
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ASTM D1308
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5%NaOH 24hrs no change color Δ E≤ 2.0
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No change
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12
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Nitric acid Resistance
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AAMA620
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Δ E≤ 5.0
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Δ E≤ 5.0
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13
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Oil Resistance
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ASTM D1308
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20# oil 24hrs no change
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No change
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14
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Salt Spray Resistance
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ASTM B117
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4000hrs≤ Grade 1
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No change
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15
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Abrasion resistance
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ASTM D968
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≥ 5L/um
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≥ 5L/um
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16
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Dirt Resistance
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GB/T9780
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≤ 5%
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< 5%
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17
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Color retaining
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GB/T16259
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4000 hrsΔ E≤ 4.0
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4000 hrsΔ E≤ 3.0
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18
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Gloss weaken Level
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GB/T16259
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4000 hrs ≤ Grade 2
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4000 hrs ≤ Grade 2
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