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August 21 - August 25, 2017

How clean must the compressed-air supply be for blast cleaning, blow down and painting? How is cleanliness of the air determined?

More items for Surface Preparation Please sign in to submit your answer this question    

Tagged categories: Abrasive blasting; Blasting; Surface preparation; Surface preparation equipment    


Current PSF Question | Submit a PSF Question | Full PSF Archive


Recent Questions

August 14 - August 18, 2017
How do concrete admixtures such as hardeners and anti-dust compounds affect coating adhesion? What can be done to minimize negative effects?

August 7 - August 11, 2017
Under what conditions should stainless steel be painted in the oil and gas industry?

July 31 - August 4, 2017
How does rapid depressurization affect lining performance in vessels and line pipe, and how can you identify any failure that might result?

July 24 - July 28, 2017
After applying a thermal spray coating on a petrochemical industry live line that operates at 48 degrees Celsius (118 degrees Fahrenheit), the coating sustained a brown discoloration on the bottom of the pipe. What would cause this discoloration of a TSA coating?

July 20 - July 27, 2017
What is the best way to remove thick-film elastomers from floors and ship decks?

July 17 - July 21, 2017
In reviewing the testing data for adhesion, some manufacturers indicate ASTM D4541 results while others show ASTM C3359 results. Is it possible to compare one against the other? For example, does 1037 psi provide better adhesion than 4A?

July 10 - July 14, 2017
Is grinding the only way to remove large areas of a silicone coating from a ship's hull to replace the silicone with an epoxy mastic?

July 5 - July 7, 2017
How should surface preparation be conducted in non-sparking atmospheres?

June 26 - June 30, 2017
How do you repair delaminated areas of an elastomeric polyurea when the majority of the coating system is intact?

June 19 - June 23, 2017
Can an epoxy polyamide zinc phosphate primer be overcoated with a synthetic enamel alkyd-based topcoat? If no, why not?

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Waterjet Technology Association (WJTA)
 
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Harsco
 
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CHLOR*RID International Inc.
 
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NLB Corporation
 
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