Aluminium prepainted coils for underwater syatems
GBS have 1 heavy-gauge aluminium color coating lines for underwater system, gutters, rain-precetction wall.elbows,water pipes,etc
Coating color aluminum coil
1. Specification
| Alloy: | A3003, A3105, etc. |
| Temper | H14, H16, H18, H24 etc. |
| Alu Thickness | From 0.45mm to 1.2mm |
| Alu.Width | From 110mm to 1700mm |
| 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: | 19mic--32mic |
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 |
4. Applications
Raw materials of aluminum ceiling,
Mterials of aluminum signs, advertisement board
underwater system, gutter, Roofs, wall cladding.
Package materials, flip off seals
Product Tags:
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Painted Aluminium Coil For Underwater System,gutters,etc Images
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