| |
Method
of
assessment |
5-stages
zinc
phosphate
(spraying) |
Epoxy
primer
(E-coat)
only |
Epoxy
primer (E-coat) + polyester powder |
| Thickness |
ASTM
D-1186
ASTM D-1400 |
0.002"
à 0.005" |
0.0006"
à 0.0012" |
0.002"
à 0.005" |
| Adhesion |
ASTM
D-3359
Methode B |
5B |
5B |
5B |
| Solvent
resistance |
----- |
0-1 |
0-1 |
0-1 |
| Hardness |
ASTM
D-3363 |
H-2H |
2H |
H-2H |
| Impact |
ASTM
D-2794 |
60-140
po/lb
(direct and indirect) |
60-140
po/lb
(direct and indirect) |
60-140
po/lb
(direct and indirect) |
| Gravelometer |
ASTM
D-3170 |
----- |
5
min. |
----- |
| Flexibility |
ASTM
D-522 |
3/16"
à 1/4" |
3/16"
à 1/4" |
1/4"
à 5/16" |
| Resistance
to humidity |
ASTM
D-2247 |
1500
hours |
2000
hours |
2500
hours |
| Resistance
to saline mist |
ASTM
B-117 |
1500
hours |
2000
hours |
2500
hours |