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ACRYLUME®
Data Sheet
Corrosion Performance
The results of accelerated corrosion tests show the
superiority of ACRYLUME® Coated Sheet when compared with
today's conventional chemically treated GALVALUME® Coated
Sheet.
| Wet Stack Test |
 |
Designed to simulate storage of sheets in
either coil form or as a stacked bundle at the job site |
|
Test samples stacked tightly in a bundle -
wetted between the individual panels every two days with
deionized water |
|
Tested at 100° F for 750 hours |
| Hours in Test |
ACRYLUME® Coated Sheet |
CT11 |
CT21 |
| 250 |
Light haze
| Light surface spots |
Dark black spots and edges |
| 500 |
Light haze |
Light surface patches |
Heavy black patches |
| 750 |
Light haze |
Uniform surface darkening |
Heavy, dark black patches |
|
1 - CT1 and CT2 represent two different, widely used chemical
treatments
|
|
| Water
Immersion Test |
|
Designed to simulate ponding of water on a
low slope roof |
|
Samples immersed in deionized water |
|
Water temperature - 100° F |
|
Test duration - 2,000 hours |
| Hours in Test |
ACRYLUME® Coated Sheet |
CT11 |
CT21 |
| 500 |
Slight dulling
| Initial dark spots |
Dark patches |
| 1000 |
White patches with dark spots |
Dark & light stains |
Completely blackened |
| 2000 |
White surface, dark edges |
Dark stains |
Completely blackened |
|
1 - CT1 and CT2 represent two different, widely used chemical
treatments
|
|
| Salt
Spray Test |
|
Tested per ASTM B117 |
|
5 percent salt solution |
|
30-day test duration |
| Hours in Test |
ACRYLUME® Coated Sheet |
CT11 |
CT21 |
| 250 |
No Activity
| White haze with black
spots |
White haze with small
black spots |
| 500 |
Tiny spots, evidence of initial activity |
White haze with black streaks |
White haze with small black streaks |
| 720 |
Small spots with local
light streaks |
Light haze with dark
spots |
Dark haze with dark spots |
|
1 - CT1 and CT2 represent two different widely used chemical
treatments
|
|
|
|
|
|
