Spectra Color Aluminum Coil
Spectra Color Aluminum Coil
美工放图：幻彩s.jpg幻彩s
The Standard Performance of Spectra Color Aluminum Coil
| Item | Test Item | According to | National standard | Test Result |
| 1 | Color Difference | ECCA T3 | ΔE≤2.0 | ΔE≤1.0 |
| 2 | Gloss | ECCA T2 | Difference≤10 | Difference≤5 |
| 3 | Coating Thickness | ECCA T1 | 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 | ≥50kgNaN | ≥50kgNaN |
| 8 | Boil Resistance | GB/T17748 | 2h No change | 4hrs No change |
| 9 | Solvent Resistance | ASTM D2248 | 200 times no break | 500 times no break |
| 10 | Acidity Resistance | ASTM D1308 | 5%HCL 24h No change | No change |
| 11 | Alkalescence Resistance | ASTM D1308 | 5%NaOH 24h △E≤2.0 | No change |
| 12 | Nitric acid Resistance | AAMA620 | △E≤5.0 | △E≤5.0 |
| 13 | Oil Resistance | ASTM D1308 | 20 ＃oil 24h No change | No change |
| 14 | Salt 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 Change | GB/T16259 | 4000hrs ，△E≤4.0 | △E≤3.0 |
| 18 | Gloss Change | 4000hrs ≤ Grade 2 | ≤Grade 2 | |
| 19 | Chalking Grade | 4000hrs Grade 0 | Grade 0 |
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