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Daily Quiz (12)


True or false: Some causes of blistering of concrete floor coatings are air entrapment in pores of the concrete, osmotic pressure and insufficient cleaning of the concrete surface.


What organization publishes a standard procedure for describing the size and density of the blisters so that comparisons of severity can be made?


True or false: SSPC has a test method for evaluating the degree of blistering on painted steel substrates.


True or false: Osmotic blistering of coatings on steel substrates can be caused by chloride contamination on the steel prior to painting.


True or false: If there are non-burst blisters in a tank lining, the lining must be immediately replaced.


True or false: Solvent entrapment within a coating can cause the formation of blisters.


True or false: Osmotic blisters are likely to be filled with liquids that contain solvents or salts.


True or false: Non-osmotic blisters can develop in coatings on concrete floors.


What is a common term for osmotic blistering of coatings due to thermal gradients?


Blistering of a coating suggests what type of non-visible contaminant on the surface of a steel substrate?


True or false: Soluble salts on a substrate beneath a coating can draw moisture through the coating and contribute to the formation of blisters.


Which of the following is a likely cause of blistering of coatings?


 
 
   

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Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

Vacuum and dust collector hose, filters and related accessories.
IndustrialVacuum.com


SAFE Systems, Inc.
Portable Dust Collectors for Tough Environments

Trailer and skid-mounted models in numerous sizes, powered by electric and/or diesel. Sloped roofs, multiple dust inlets, high static, dampered fans. Lockable power & drive compartments.


Jotun Paints Inc.
Jotachar JF750 - The Time Saving Solution

The only mesh free solution for jet fire scenarios. Jotachar saves installation time and material costs - the next generation of epoxy passive fire protection.


HoldTight Solutions Inc.
NO FLASH RUST - NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rust
preventer prevents flash
rust by removing surface contaminants. Contact us
for your nearest distributor.
(800) 319.8802 sales@holdtight.com


Hempel (USA) Inc.
Trusted worldwide for advanced protective coatings

Trusted worldwide
for advanced
protective, coatings
–Full range of 
  advanced coatings
–Optimised application
–Fast, reliable service  worldwide. Contact us at oilandgas@hempel.com


PreTox Products - NexTec, Inc.
GOT LEAD? Specify Pretox System products

The ONLY Lead Stabilizer Compatible with All Paint Removal Methods. Works with all Blast Media: Grits | Recyclable Abrasives | CO2 | Water | Power Tools | Etc. Call Dave Steffen at 800.338.8296.


Dehumidifiers, Sales and Consulting
The pass-through or "daisy-chain" system by CamLok SAVES YOU MONEY!

Don Bechtol has over 40 years of experience utilizing climate control for blasting/painting projects. Call today!
1-713-249-1615
¡SE HABLA ESPAÑOL!


DeHumidification Technologies
HUMIDITY PROBLEMS?

DH Tech has the most innovative and reliable equipment available to
control humidity efficiently
and effectively.
IT'S UNDER CONTROL!


PPG Protective and Marine Coatings Group
We Protect and Beautify the World

PPG is widely recognized as a world leader in protective and marine coatings, developing innovative, cutting-edge products and services.

 

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