Aluminium color coated coils
GBS have 2 thin-gauge aluminium color coating lines and 2 aluminium think gauge color coating lines, for thin gauge lines,
base material gauge ranging from 0.018mm up to 0.2mm, for think gauge lines, base material thickness ranging from 0.20mm--1.5mm
1. Specification
Alloy: | A1100, A3003, A3004, A5005, A8011 etc. |
Temper | H14, H16, H18, H24 etc. |
Alu Thickness | From 0.04mm to 0.20mmmm |
Alu.Width | From 50mm to 1520mm |
Color | Customized, you can choose from our color chart, or we adjust the special color as the samples you offer. |
Coating | PE coating, PVDF coating, Back coating |
Coating thickness: | 10mic for PE coating, 20mic for PVDF coating |
2. Characteristic
High gloss, High flexibility , Impact resistance, Excellent weather-proof durability , Anti-ultraviolet , High erosion resistance,. Stable color and gloss , Good mechanical processing performance, Abrasion resistance
3. Technical information
Item | Test Item |
National standard |
Test Result |
1 | Color Difference | ΔE≤2.0 | ΔE≤1.5 |
2 | Gloss Difference | ≤10 | ≤5 |
3 | Coating Thickness | Two layers Min 23μm | ≥25μm |
4 | Pencil Hardness | ≥HB | ≥HB |
5 | T-bend | ≤2T | ≤2T |
6 | Adhesion | Grade 0 | Grade 0 |
7 | Impact | ≥50kg.cm | ≥50kg.cm |
8 | Boiling water Resistance | 2h No change | 4h No change |
9 | Solvent Resistance | 200 times paints remaining | 500 times paints remaining |
10 | Acidity Resistance | 5%HCL 24hrs No change | No Change |
11 | Alkali Resistance | 5%NaOH 24hrs No change color ΔE≤2.0 | No Change |
12 | Nitric acid Resistance | ΔE≤5.0 | ΔE≤5.0 |
13 | Oil Resistance | 20Φ oil 24hrs No change | No Change |
14 | Salt Spray Resistance | 4000hrs ≤Grade 1 | No Change |
15 | Abrasion resistance | ≥5L/μm | ≥5L/μm |
16 | Dirt Resistance | ≤5% | ≤5% |
17 | Color retaining | 4000 hrs ΔE≤4.0 | 4000 hrs ΔE≤3.0 |
18 | Gloss weaken Level | 4000 hrs ≤ Grade 2 | 4000 hrs ≤ Grade 2 |
19 | MEK | 4000 hrs No change | 4000 hrs No change |
Applications
1. Raw materials of aluminum ceiling, aluminum composite panel, aluminum sheet.
2. Mterials of aluminum signs, advertisement board
3. Roofs,gutter, wall cladding.
4. Package materials, flip off seals