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...
Coating Characteristic table |
Item |
Test Item |
Standard |
National standard |
DF Test Result |
1 |
Color Difference |
ECCA T3 |
Δ E≤ 2.0 |
Δ E≤ 1.5 |
2 |
Gloss Difference |
ECCA T2 |
≤ 10 |
≤ 5 |
3 |
Coating Thickness |
ECCA T1 |
Two layers Min 23um |
≥ 24um |
|
|
|
Three layers Min 30um |
≥ 33um |
4 |
Pencil Hardness |
ASTM D3363 |
≥ HB |
HB |
5 |
T-bend |
ASTM D4145 |
≤ 2T |
≤ 2T |
6 |
Adhesion |
ASTM D3359 |
Grade 0 |
Grade 0 |
7 |
Impact |
ASTM D2794 |
≥ 50 kg/cm |
≥ 50 kg/cm |
8 |
Boiling water Resistance |
GB/T17748 |
2h No Change |
4h No Change |
9 |
Solvent Resistance |
ASTM D2248 |
200 times paints remaining |
500 times no break |
10 |
Acidity Resistance |
ASTM D1308 |
5%HCL 24hrs no change |
No change |
11 |
Alkali Resistance |
ASTM D1308 |
5%NaOH 24hrs no change color Δ E≤ 2.0 |
No change |
12 |
Nitric acid Resistance |
AAMA620 |
Δ E≤ 5.0 |
Δ E≤ 5.0 |
13 |
Oil Resistance |
ASTM D1308 |
20# oil 24hrs no change |
No change |
14 |
Salt Spray Resistance |
ASTM B117 |
4000hrs≤ Grade 1 |
No change |
15 |
Abrasion resistance |
ASTM D968 |
≥ 5L/um |
≥ 5L/um |
16 |
Dirt Resistance |
GB/T9780 |
≤ 5% |
< 5% |
17 |
Color retaining |
GB/T16259 |
4000 hrsΔ E≤ 4.0 |
4000 hrsΔ E≤ 3.0 |
18 |
Gloss weaken Level |
GB/T16259 |
4000 hrs ≤ Grade 2 |
4000 hrs ≤ Grade 2 |