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Thursday, July 26, 2012

Why must laitance and efflorescence be removed before coating concrete?

They are not well bonded to the sound concrete beneath them.
They affect the color of the coating.
Coatings are always incompatible with these materials.
They cause blistering.

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Previous Quizzes from the Past Week

Wednesday, July 25, 2012
In its Technology Guide on the subject, what type of coating material does SSPC recommend for repairing imperfections in galvanized, organic zinc-, or inorganic zinc-coated steel?

Tuesday, July 24, 2012
What is the leading cause of pipeline failures in North America and Europe?

Sunday, July 22, 2012
True or false: There are no quantitative methods for determining levels of moisture in concrete floor slabs.

Friday, July 20, 2012
What is the main purpose of optically active pigmentation in coatings?

Thursday, July 19, 2012
When abrasive is recycled without sufficient new abrasive being added to the operating mix, what happens to the surface profile of steel being cleaned?

More previous quizzes

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Montipower, Inc.
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Corrosion Probe, Inc.
From Detection to Correction

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AW Chesterton
ARC Protective Coatings

perform reliably under the most demanding exposures in the toughest process conditions. Use our Coating Selector Tool for your application needs at


Download the free app for BLACK BEAUTY® Abrasives. Explore all the features from the palm of your hand.
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Atlantic Design, Inc.

See our website for features of our best seller, the ADI 3500CFM 4-Pot Blast Vacuum Recycler. A smaller package with all the ADI power you need. 866.Call.ADI

CHLOR*RID International Inc.
Free Webinar

Learn about soluble salts, along with a discussion on allowable levels.
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New resins from BASF will have metals loving water:

Excellent corrosion resistance, low VOC, high gloss, thin films

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