| Specification designation |
| |  |
| Type of Weather Resistant ALSTAR |
| | Table.1
Type of Weather Resistant ALSTAR
| Type | Symbol |
| Commercial quality | C |
| Structural quality | 400N grade | K400 |
| 440N grade | K440 | |
| |
| Post treatment |
| | Table.2
Post treatment of Weather Resistant ALSTAR
| Post treatment type | Symbol |
| Oil | MO |
| Chromate | N |
| Chromate and Oil | NO |
| Resin film | NH
| |
| |
| Coating
Mass |
| |
Table.3 Coating Mass of Weather Resistant ALSTAR
| Symbol |
Minimum mass on both sides(g/m²) |
Corresponding coating thickness(µm) |
| 150 | 150 |
55 | | 200 |
200 | 74 |
| Notes | 1. | Minimum
mass on both sides is an average obtained . | | 2. | Corresponding
coating thickness means the total thickness of coating on both sides corresponding
to the minimum mass of aluminum coating. | |
| |
| Example of designation |
| |  |
