|
Item
|
Epoxy-polyester index
|
Index of low luster powder coating
|
Index of art type
|
| Residue on sieve % ≤ |
（120 mesh） or negotiation
|
（180 mesh）0.5
|
（120mesh）0.5
|
| Color and appearance of paint film |
Flat, smooth
|
The same as the left
|
Clear, natural
|
| Hardness ＞ |
2H
|
2H
|
2H
|
| Luster 60° |
≥86%
|
0-80% random point, dead luster≤ 10%
|
Negotiation
|
| Adhesion（1mm），6×6,grade, ≤ |
0
|
2
|
2
|
| Bending test mm ≤ |
2
|
5
|
5
|
| Impact resistance cm ≥ |
40
|
40
|
40
|
| Salt and fog resistant 400h, grade, ≤ |
1
|
1
|
1
|
| Acid resistance（3% HCl）, 240h |
No change
|
The same as the left
|
The same as the left
|
| Alkali resistance（5% NaOH）,168h |
Slight change, restore in 2h
|
The same as the left
|
The same as the left
|
| Resistance to wet heat 500h, grade, ≤ |
1
|
The same as the left
|
The same as the left
|
| Directions |
In accordance with HG/T2597-94
|
In accordance with enterprise standard
|
In accordance with enterprise standard
|
