project |
examine |
tack free |
≤4 |
Practical time |
≤24 |
Adhesion, grade |
≤1 |
pencil hardness |
≥3H |
flexility |
1mm pass |
Wear resistance, weight loss of 750g/500r, g |
≤0.04 |
resistivity against water |
No change for 48 hours |
Resistant to 10% sulfuric acid |
No change for 56 days |
Resistant to 10% sodium hydroxide |
No change for 56 days |
Gasoline resistance, 120# |
No change for 56 days |
Lubricating oil resistance |
No change for 56 days |