Exposing 10 Common Misunderstandings about Penetrant Testing
We reveal common penetrant inspection misconceptions we’ve seen in the field in recent years...
Defining Method A(W)
Method A(W) is a separate category for Method A penetrants and defined by AMS 2644 as a “Water Washable penetrant that contains 20% or more water by volume in its formula.” This category was added to the G revision of AMS 2644 and issued in April 2019. The current revision of AMS 2644 is H, which was issued in July 2020.
Differences between Method A & Method A(W)
For in-use penetrant testing, Method A(W) has a different testing method and frequency for water content than Method A penetrant. The water content test is a quick weekly check for Method A(W) penetrants with the use of a refractometer. If necessary, adjustments may be made by adding water or the Method A(W) penetrant to the tank.
Features of Water-based Penetrants
Reliably Speed Up Inspection and Wash Processes
Reduce Waste-Water Pollutants and Environmental Footprint
Industry approvals
Things to Know About Water-based Penetrants
More frequent testing
Approvals Met
QPL Approval
Lower Water Treatment Costs
Application Method
ZL-425 | ZL-440 |
Water-based, water washable level 1 fluorescent penetrant; contains no petroleum distillates allowing direct drain disposal | Water-based, water washable level 2 fluorescent penetrant; contains no petroleum distillates allowing direct drain disposal. |
Product ID: 01-3425-45 | Product ID: 01-3440-45 |
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Source:
"What is Method A(W)?" Magnaflux.com, https://www.magnaflux.com/Magnaflux/Resources/Blog/Method-AW
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