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February 21 - February 24, 2017

For coatings with a high-solids content (95 percent or more), what kinds of defects, such as holidays or micropores, are possible or likely to occur in the applied film? How can these be prevented or remedied?

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Tagged categories: High solid coatings; Holidays; Paint defects; Quality control    


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Recent Questions

February 16 - February 23, 2017
How do you prepare flame-cut edges for application of thermal spray metallic coatings? The problem is that these edges are often harder than the abrasive, so a very low profile is produced, resulting in lower-than-specified adhesion of the thermal spray to the steel.

February 13 - February 17, 2017
Why would a pull-off adhesion test give a high value (no failure) for a solventless epoxy that later showed poor adhesion in service?

January 26 - February 13, 2017
When SSPC-SP3 (Power Tool Cleaning) is specified, how should one decide when to apply the tool to the entire surface and when to use it just where the coating appears defective or rusting?

February 6 - February 10, 2017
How do you accurately measure the adhesion of inorganic zinc?

January 30 - February 3, 2017
What are some ways to improve transfer efficiency of airless spray application?

January 23 - January 27, 2017
How can I determine when concrete has cured sufficiently to be coated, besides waiting the 28 days typically specified?

January 16 - January 20, 2017
How does the concave or convex curvature of a surface affect the dry film thickness reading?

January 9 - January 13, 2017
Where would you use epoxy and cementitious intumescent coatings?

January 1 - January 7, 2017
Is there a place for using “rust convertors” in heavy-duty maintenance projects?

December 18 - December 24, 2016
What type of generic coating is required to protect the inside of a tank containing liquid with pH ranging from 2 to 13 and operated at 65-80 degrees Celsius? Why?

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