Loading Port:Shanghai
Payment Terms:TT or LC
Min Order Qty:5 m²
Supply Capability:9000 m²/month
No. | Parameter | Description |
1. | Name | Aluminum-zinc-silicon coated sheet |
2. | Substrate | Cold rolled steel coils |
3. | Zinc-coating | 40g - 200g/m2 |
4. | Painting thickness | Top side:17-25um Back side:5-8um |
5. | Steel color | RAL color |
6. | Steel thickness | 0.12mm - 1.00mm |
7. | Material | SGCC/SGCH/DX51D+Z |
8. | Coil width | 900mm-1250mm |
9. | Coil weight | 3-6 tons |
10. | Coil ID | 508mm-610mm |
11. | Payment | T/T or L/C |
12. | Package | seaworthy standard export package |
13. | Shipment | shipped by 20 feet container, loading about 25 tons |
| 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 |
