The best choice for Aluminium shutter with kinds of different color and designs.
|
Item |
Testing |
International Standard |
National Standard |
Testing Result |
|
1 |
Color difference |
ECCA T3 |
ΔE≤2.0 |
ΔE≤1.5 |
|
2 |
Gloss |
ECCA T2 |
difference ≤10 |
difference ≤5 |
|
3 |
Coating thickness |
ECCA T1 |
Minimun 14µm |
≥16µm |
|
4 |
Pencil Hardness |
ECCA T4 |
≥HB |
≥2H |
|
5 |
T Bend |
ASTM D4151 |
≤3T |
0T |
|
6 |
Adhesion |
ASTM D3359 |
Grade 0 |
Grade 0 |
|
7 |
Impact |
ASTM D2794 |
≥20kg.cm |
≥30kg.cm |
|
8 |
Boil water Resistance |
GB/T17748 |
2h no change |
2h no change |
|
9 |
Solvent Resistance |
ASTM D2248 |
200 times no break |
200 times no break |
|
10 |
Abrasion resistance |
ASTM D4060 |
|
500*2，1000 circle, coating wastage ≤30mg |
thickness: 0.25mm-1.6mm
Usual Alloy: 1100, 8011, 3003, 5052, others alloy: according to your requirments.
Per coil weights:＜5MT
Usual Width: 1200mm, 1240mm, 1270mm, 1520mm, 1570mm, others width: according to your requirments.
