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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

Axxiom Manufacturing
Schmidt Improves Conversion Kits
Schmidt's conversion kits turn out-of-date blast pots into high quality, efficient blasters. Quick, easy to install with step by step instructions.
Call 1-800-231-2085

Atlantic Design, Inc.
Rentals, Rentals & More
Our rental fleet has grown and
now includes newer models
with our enhanced safety
features and recent
upgrades. Call today for rates. 866.Call.ADI

CHLOR*RID International Inc.
Surface cleanliness is
ESSENTIAL to coating
performance.
* TEST FOR SALTS
* PREVENT FLASH RUST
* REMOVE SALTS
More information at
www.chlor-rid.com,
800-422-3217

Cardolite Corporation
CNSL Based Products
Renewable CNSL epoxy curing agents and resins with fast cure at low temperature, adhesion to unprepared surfaces and excellent corrosion and water protection.

DeFelsko Corporation
NEW PosiTector
Inspection Kits
PosiTector 6000 Coating Thickness Gage easily converts to a surface profile gage, dew point meter or ultrasonic wall thickness gage with a simple probe change.

Harsco
BLACK BEAUTY® GLASS
A 100% post-consumer bottle glass abrasive from a company you can trust. Toll Free: 1-888-733-3646

Fox Industries Inc.
Repair, Protect & Strengthen
Need a coating? Turn to Fox. We have solutions to repair, protect and strengthen concrete, steel and wood substrates. Call 888-760-0369 or email info@foxind.com

 
 
 
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