Chalco Aluminum not only produce mill aluminum coil strip, but also have the ability to coat the coil with different color and different application, used for beverage, home appliances, construction, roofing, ceiling etc....
Chalco Aluminum not only produce mill aluminum coil strip, but also have the ability to coat the coil with different color and different application, used for beverage, home appliances, construction, roofing, ceiling etc.
Alloy: 1100,3003,8011,3105,3104, 5052, 5005
Temper: H42, H46, H48
Thickness: 0.18mm-5.0mm
Width: Normal width, 1240mm、1270mm、1520mm、1570mm, special width could be customized.
Surface: PVDF, PE, FEVE, HDPE, PU/PA
Advantages of Chalco Aluminum’s prepainted aluminum coil strip:
- Production equipment: Today's world-leading production line with continuous multi-coating and multi-baking starting from pre-treatment. The products produced by it are of stable quality and reliable. It is an advanced representative of domestic aluminum plate coating equipment.
- Process technology level: The earliest domestic enterprises that used roller-painted aluminum plates have accumulated rich experience in actual production for a long time, and have mastered the international advanced coating technology, which is feasible.
- Raw materials: from the beginning of the pretreatment to the production of the final product, the pretreatment agent adopts German Henkel and Chemitel: the coating adopts the resin produced by the American PPG company with a fluorocarbon content of more than 70%. Fluorocarbon coatings: Polyester coatings come from Becco, Sweden.
- Product quality: Due to the use of advanced equipment, high-quality raw and auxiliary materials and advanced production technology, the quality of the products produced is stable and reliable. It is a famous brand product in the color coated aluminum plate industry. Carbon, polyester coated aluminum sheet, peelable paint coated aluminum sheet, nano anti-dirty self-cleaning coated aluminum sheet, coated embossed aluminum sheet, etc. It is widely used in the industry of high-grade exterior wall aluminum-plastic panel products, ceiling panels, new roofs, walls and honeycomb panel products.
Features of Chalco Aluminum’s prepainted aluminum coil strip
Item |
Inspection item |
Standard |
GB standard |
Results |
1 |
Color difference |
ECCA T3 |
ΔE≤2.0 |
ΔE≤1.5 |
2 |
Gloss |
ECCA T2 |
Difference ≤10 |
Difference≤5 |
3 |
Dry film thickness
|
ECCA T1 |
Two times coating minimum 23µm |
≥25µm |
Three times coating minimum 30µm |
≥34µm |
|||
4 |
|
ECCA T4 |
≥HB |
HB |
5 |
Curvature
|
ASTM D4145 |
≤2T |
≤2T |
6 |
Adhesion
|
ASTM D3359 |
Grade 0 |
Grade 0 |
7 |
|
ASTM D2794 |
≥50kg.cm |
≥50kg.cm |
8 |
Resistance to boiling water
|
GB/T17748 |
2h No change |
4h No change |
9 |
Solvent resistant
|
ASTM D2248 |
200 times Do not show the bottom
|
500times Do not show the bottom |
10 |
Acid resistance
|
ASTM D1308 |
5%HCL 24h |
No change |
11 |
Alkali resistance
|
ASTM D1308 |
5%NaOH 24h △E≤2.0 No change |
No change |
12 |
Nitric acid resistance
|
AAMA620 |
No change △E≤5.0 |
△E≤5.0 |
13 |
|
ASTM D1308 |
20#oil 24h No change |
No change |
14 |
Salt spray resistance
|
ASTM B117 |
Not less than grade 1 |
No change |
15 |
Wear resistance
|
ASTM D968 |
≥5L/µm |
≥5L/µm |
16 |
Stain resistance
|
GB/T9780 |
≤5% |
<5% |
17 |
Color retention
|
GB/T16259 |
△E≤4.0 |
△E≤3.0 |
18 |
|
Not less than grade 2 |
Not less than grade 2 |
|
19 |
|
No change |
No change |
Application:
Prepainted aluminum coil strip is the material of choice for high-quality aluminum-plastic curtain walls, aluminum veneers, and honeycomb panels. Its products are widely used in the curtain wall decoration of high-end buildings such as airports, convention and exhibition centers, and star hotels.