Prepainted aluminum coil details:
1) The type of paint: PVDF(mainly), PE mainly
2) Thickness coating: PVDF: More then 25 micron; PE, more then 18 micron.
3) Paint: PPG
4) Interior diameter: 405mm, 505, mm
5) Width: Less then 1600mm, sheets are also available
6) Color: Panton, RAL or refer to customers' counter sample.
7) Coating hardness: (pencil hardness) more than 2H
8) Impact resistance: No cracking and peeling(50kg/cm, ASTMD-2794: 1993)
9) Flexibility(T-bend): No more than 2T
10) MEK resistance: More than 100
The base of Pre painted aluminum coil details:
1) Temper of Pre painted aluminium coil: H14, H18, H24 mainly.
2) Alloy of Pre painted aluminium coil: 1100, 1050, 3003, 5052, 8011 etc
3) Origin: China
4) Minimum order quantity of Pre painted aluminium coil: 5 tons each size
5) Lead Time of Pre painted aluminium coil: Within 20 days
6) The term of payment of Pre painted aluminium coil: T/T, irrevocable L/C at sight
7) Application of Pre painted aluminium coil: Lighting, printing, packing, decorative, electronics surface, hot rolled thick plate, PS base plate, aluminum plastic base plate, aluminum curtain wall base plate, aluminum composite panel base plate, aluminum spacer, aluminum embossed sheet, aluminum tread plate
8) Remarks of Pre painted aluminium coil: Specific requirement of alloy, temper or specification can be discussed at your request.
3.Testing data
| Item |
Test Item |
Performance indicators for PE |
Performance indicators for PVDF |
| 1 |
Color Difference |
ΔE≤2.0 |
ΔE≤1.5 |
| 2 |
Gloss Difference |
≤5 |
≤5 |
| 3 |
Coating Thickness |
Two layers Min 23μm |
Two layers Min 25μm |
| |
|
Three layers Min 30μm |
Three layers Min 34μm |
| 4 |
Pencil Hardness |
≥HB |
HB |
| 5 |
T-bend |
≤3T |
≤3T |
| 6 |
Adhesion |
Grade 0 |
Grade 0 |
| 7 |
Impact |
≥20kg.cm |
≥50kg.cm |
| 8 |
Boiling water Resistance |
4h No change |
4h No change |
| 9 |
Solvent Resistance |
200 times no break |
200 times no break |
| 10 |
Acidity Resistance |
5%HCL 24hrs No change |
5%HCL 24hrs No change |
| 11 |
Alkali Resistance |
5%NaOH 24hrs No change colorE≤2.0 |
5%NaOH 24hrs No change colorE≤2.0 |
| 12 |
Oil Resistance |
20#oil 24hrs No change |
20#oil 24hrs No change |
| 13 |
Salt Spray Resistance |
720hrs ≤Grade 1e |
720hrs ≤Grade 1e |
| 14 |
Abrasion resistance |
≥5L/μm |
≥5L/μm |
| 15 |
Dirt Resistance |
≤5% |
≤5% |
|
Package
