AS/NZS 1580.481.1.6:1998
Current
The latest, up-to-date edition.
Paints and related materials - Methods of test Coatings - Exposed to weathering - Degree of erosion
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English
05-07-1998
This Standard describes two methods for assessing the degree of erosion of a test film that has been exposed to weathering. Method A - determination of the decrease in film thickness on a metal test panel as a percentage of the original dry film thickness; or Method B - a visual examination to check for evidence of exposure, or ‘grinning through’, of an underlying substrate of contrasting colour.
| Committee |
CH/3
|
| DocumentType |
Standard
|
| ISBN |
0 7337 2070 6
|
| Pages |
4
|
| ProductNote | |
| PublisherName |
Standards Australia
|
| Status |
Current
|
| Supersedes |
This Standard describes two methods for assessing the degree of erosion of a test film that has been exposed to weathering. These are as follows:(a) Method A -determination of the decrease in film thickness on a metal test panel as a percentage of the original dry film thickness; or(b) Method B -a visual examination to check for evidence of exposure, or 'grinning through', of an underlying substrate of contrasting colour.NOTES:1 Method A is not applicable to non-metallic substrates that prevent a determination of the film thickness using non-destructive techniques.2 Method B is usually sufficient for evaluating conventional decorative paint films, of less than 100 µm thickness, whereas Method A is suitable for heavy duty finishes of greater than 100 µm thickness.
Originated in Australia as part of AS K41.481.1-1962.
Previous edition AS 1580.481.1.6-1991.
Jointly revised and redesignated as AS/NZS 1580.481.6-1998.
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