Introduction of Stone grain color coated aluminum coil
We are the leading aluminum supplier in China, our main proudcts areprepainted aluminum sheet, color coated aluminum coil, aluminum circle sheet, aluminum chequered palste, aluminum tread plate, aluminum stucco sheet, aluminum foil, aluminum foil roll.Below is the specification of our color coated aluminum
Parameters of Stone grain color coated aluminum coil
| Paint type | PVDF POLYESTER ACRYLIC |
| Thickness | 0.024mm-1.20mm |
| Width | 50mm-1700mm (Standard width:914mm, 1000mm, 1219mm) |
| Coils core diameter | 150mm, 405mm, 505mm, 508mm, 510mm POLYESTER>=17micron |
| Coating thickness | PVDF >=25micron |
| Gloss | 10-90% |
| Coating hardness(pencil hardness) | More than 2H |
| Coating adhesion | No lower than first grade |
| Impact resistance | No cracking and peeling(50kg/cm, ASTMD-2794:1993) |
| SheetMEK resistance: | More than 100 times |
| Advantage | Flexibility |
| Usage | Aluminum composite panel, ceiling, door and windows, electric appliance,etc. |
| Temper | O,H12,H14,H16H18,H19,H22,H24,H26, H28,H32,H34H36,H38, H42 H44 |
| Alloys number | 1100, 1050, 1060, 3003, 3004,3005,3104, 3105, 5005, 5052, 8011 |
| Application | ACP, aluminum, ceilings, aluminum sheets, honeycomb panels and aluminum roofing, lighting decoration, Household electrical appliances, food package (such as pop can cover & ring-pull), furniture ect. |
| Chemical Composition % | ||||||||||||
| Alloy No. | Si | Fe | Cu | Mn | Mg | Cr | Ni | Zn | V | Ti | Zr | Al |
| 1050 | 0.25 | 0.4 | 0.05 | 0.05 | 0.05 | – | – | 0.05 | 0.05 | 0.03 | – | Remainder |
| 1060 | 0.25 | 0.35 | 0.05 | 0.03 | 0.03 | – | – | 0.05 | 0.05 | 0.03 | – | Remainder |
| 1070 | 0.2 | 0.25 | 0.04 | 0.03 | 0.03 | – | – | 0.04 | 0.05 | 0.03 | – | Remainder |
| 1100 | Si+Fe:0.95 | 0.05-0.20 | 0.05 | – | – | – | 0.01 | 0.05 | – | – | Remainder | |
| 3003 | 0.6 | 0.7 | 0.05-0.20 | 1.0-1.5 | – | – | – | 0.1 | – | – | – | Remainder |
| 3004 | 0.3 | 0.7 | 0.25 | 1.0-1.5 | 0.8-1.3 | – | – | 0.25 | – | – | – | Remainder |
| 3105 | 0.6 | 0.7 | 0.3 | 0.3-0.8 | 0.2-0.8 | 0.2 | – | 0.4 | – | 0.1 | – | Remainder |
| 5005 | 0.3 | 0.7 | 0.2 | 0.2 | 0.5-1.1 | 0.1 | – | 0.25 | – | – | – | Remainder |
| 5052 | 0.25 | 0.4 | 0.1 | 0.1 | 2.2-2.8 | 0.15-0.35 | – | 0.1 | – | – | – | Remainder |
| 5083 | 0.4 | 0.4 | 0.1 | 0.40-1.0 | 4.0-4.9 | 0.05-0.25 | – | 0.25 | – | 0.15 | – | Remainder |
| 5086 | 0.4 | 0.5 | 0.1 | 0.2-0.7 | 3.5-4.5 | 0.05-0.25 | – | 0.25 | – | 0.15 | – | Remainder |
| 5182 | 0.2 | 0.35 | 0.15 | 0.2-0.5 | 4.0-5.0 | 0.1 | – | 0.25 | – | 0.1 | – | Remainder |
| 6061 | 0.4-0.8 | 0.7 | 0.15-0.40 | 0.15 | 0.8-1.2 | 0.04-0.35 | – | 0.25 | – | 0.15 | – | Remainder |
| 6063 | 0.2-0.6 | 0.35 | 0.1 | 0.1 | 0.45-0.90 | 0.1 | – | 0.1 | – | 0.1 | – | Remainder |
| 6082 | 0.7-1.3 | 0.5 | 0.1 | 0.4-1.0 | 0.6-1.2 | 0.25 | – | 0.2 | – | 0.1 | – | Remainder |
| 7005 | 0.35 | 0.4 | 0.1 | 0.2-0.7 | 1.0-1.8 | 0.06-0.20 | – | 4.0-5.0 | – | 0.01-0.06 | 0.08-0.20 | Remainder |
| 7075 | 0.4 | 0.5 | 1.2-2.0 | 0.3 | 2.1-2.9 | 0.18-0.28 | – | 5.1-6.1 | – | 0.2 | – | Remainder |
| 8011 | 0.50-0.90 | 0.6-1.0 | 0.1 | 0.2 | 0.05 | 0.05 | – | 0.1 | – | 0.08 | – | Remainder |
The performance of PE color coated coil
1) Thickness≤0.5mm
| Item | Test Item | Standard | National standard | Test Result |
| 1 | Color Difference | ECCA T3 | ΔE≤2.0 | ΔE≤1.5 |
| 2 | Gloss Difference | ECCA T2 | ≤10 | ≤5 |
| 3 | Coating Thickness | ECCA T1 | Min 14µm | ≥16µm |
| 4 | Pencil Hardness | ASTM D3363 | ≥HB | HB |
| 5 | T-bend | ASTM D4145 | ≤3T | ≤2T |
| 6 | Adhesion | ASTM D3359 | Grade 0 | Grade 0 |
| 7 | Impact | ASTM D2794 | ≥20kg.Cm | ≥20kg.Cm |
| 8 | Boiling water Resistance | GB/T17748 | 2h no change | 2h no change |
| 9 | Solvent Resistance | ASTM D2248 | 200 times paint remaining | 200 times paint remaining |
| 10 | Salt Resistance | ASTM B117 | 720 hrs≤grade 1 | 720hrs≤grade 1 |
| 11 | Dirt Resistance | GB/T9780 | ≤5% | <5% |
| 12 | Color retaining | GB/T16259 | 600hrs △E≤2.0 | △E≤2.0 |
| 13 | Gloss weaken Level | 600hrs ≤ grade 2 | 600hrs ≤ grade 2 | |
| 14 | Chalking | 600hrs No Change | No Change |
2) The performance of PVDF color coated coil
| Item | Test Item | Standard | National standard | Test Result |
| 1 | Color Difference | ECCA T3 | ΔE≤2.0 | ΔE≤1.5 |
| 2 | Gloss Difference | ECCA T2 | ≤10 | ≤5 |
| 3 | Coating Thickness | ECCA T1 | Two layers Min 23μm | ≥25μm |
| Three layers Min 30μm | ≥34μm | |||
| 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 | ≥50kg.Cm | ≥50kg.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 △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 Spray Resistance | ASTM B117 | 4000hrs ≤Grade 1 | No change |
| 15 | Abrasion resistance | ASTM D968 | ≥5L/μm | ≥5L/μm |
| 16 | Dirt Resistance | GB/T9780 | ≤5% | <5% |
| 17 | Color retaining | GB/T16259 | 4000 hrs△E≤4.0 | 4000 hrs △E≤3.0 |
| 18 | Gloss weaken Level | 4000 hrs ≤ Grade 2 | 4000 hrs ≤ Grade 2 | |
| 19 | Chalking | 4000 hrs No change | 4000 hrs No change |
Images of Stone grain color coated aluminum coil
