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Characteristic |
ASTM # # |
Result |
| Specific Gravity |
|
1.2 to 1.9 depending on color. |
| Theoretical Coverage |
|
Approximately 100 to 160 ft.2 / lb. / mil. |
| Optimum Storage |
|
<80° F, < 50%RH |
| Particle Distribution |
|
+44 microns (325 mesh). Percentage varies with color. |
| Film Thickness |
D-1186 |
Recommended, 1 to 6 mils. |
| Percent Gloss @ 60° |
D-523-89 |
1 to 99% |
| Pencil Hardness |
D-3363-00 |
2H to 6H |
| Adhesion |
D-3359-02 |
No lifting of 1/8" squares between scribed lines when |
|
|
cross hatch adhesion is tested using the prescribed tape. |
| Flexibility |
D-522-93a |
A coating of 2 mils or less will withstand a bend of 180° over a 1/8"
to 1/4" mandrel |
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without cracking or loss of adhesion.
Depending on formulation. |
| Impact Resistance |
D-2794-93 |
20-160 inch-pounds, direct and reverse, at a film thickness of 1.5 mils. |
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Impact properties will be influenced by formulation. |
| Salt Spray Resistance |
B-117-97 |
With proper pretreatment, scribed films exhibit less than 1/16" undercoating after |
|
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1000 hours of exposure in 5% salt spray at 95° F and 95% relative humidity. |
| Humidity Resistance |
D-2247 |
Greater than 1000 hours with no effect at 100° F @ 100% RH. |
| Chemical Resistance |
|
Specialty products have excellent resistance to most chemicals and solvents. |
|
|
Resistance properties will be influenced by the formula. |
| Overbake |
|
Polyesters can typically withstand 200% overbake without yellowing |
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