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Daily Quiz (20)


What is the name of the industrial form of hydrochloric acid that is used to clean concrete and masonry?


True or False? Some historic preservationists might object to the use of a clear, penetrating sealer on the masonry walls of an historic structure.


Why are elastomeric acrylics often selected for use on masonry walls?


True or false: Preservationists prefer penetrating sealers over coatings to protect masonry substrates on historic structures.


True or false: Film-forming coating systems on exterior masonry or concrete walls should not have any moisture vapor permeability.


Penetrating sealers are sometimes avoided by conservators on the masonry substrates of historic structures for what main reason?


Mineral paints used on masonry substrates use what type of binders?


True or false: The less permeable a coating for exterior masonry is, the more durable it is likely to be.


Which of the following product types is a water-repellant for masonry and concrete that penetrates pores, is breathable, and does not change the appearance of the substrate to which it is applied?


True or false: Ultra-high-pressure water jetting at 30,000 psi typically produces a lower volume of water in removing coatings from a masonry substrate than does pressure washing at 5,000 psi.


True or false: Non-film-forming coatings used as sealers on concrete and masonry cannot be pigmented to alter the appearance properties of substrates.


True or false: A coating system on an exterior concrete block wall must provide protection from wind-driven rain and, if moisture vapor diffuses from inside to outside, be sufficiently permeable to allow vapor to exit the wall.


True or false: Preservationists always prefer penetrating sealers over coatings on masonry substrates in work to preserve historic structures.


True or false: Clear, non-film forming masonry sealers, such as silanes and siloxanes, have little effect on vapor permeability, thereby allowing water vapor to exit the masonry substrate.


A crust of soluble salts, commonly white, deposited on the exterior of masonry facades, such as brick, is called what?


Why are clear, 100% acrylics often used on masonry facades?


True or false: Clear film-forming coatings do not typically change the appearance of masonry.


True or false: One hundred percent acrylic coatings are relatively resistant to alkaline substrates such as masonry.


True or false: Clear penetrating water repellents typically have a large influence on the vapor permeance of a masonry substrate.


True or false: Film-forming coating systems on exterior masonry or concrete walls should exhibit water vapor permeability or breathability.


 
 
   

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Harsco
Find BLACK BEAUTY® Abrasives

Use our online tool to search by address, city or zip code to find where you can buy BLACK BEAUTY® abrasives. Or call us toll free: 1-888-733-3646


Elcometer, Inc.
Durability & Design meet
Performance & Reliability

Elcometer 319 Dewpoint Meter
View the technical data on the Elcometer Dewpoint meter.


HoldTight Solutions Inc.
NO FLASH RUST -
NO CONTAMINANTS

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


Thermion Inc
Buy Back Program

We are offering $5,000
credit for your old Model
This drive system is
being discontinued by
the manufacturer.
More information at
thermioninc.com
877.884.3428


BASF
New resins from BASF will have metals loving water:

Excellent corrosion resistance, low VOC, high gloss, thin films basf.us/industrialcoatings
polyorders@basf.com
800-231-7868


Fischer Technology Inc.
MP0R with rotating display screen

View your coating thickness readings from any angle with rotating display screen. New graphic display with easy menu navigation. Click for Video
Call 800-243-8417


Montipower, Inc.
The MBX Bristle Blaster

Get a 2.7 to 3.3 mil profile and a Near White Metal Clean. For info visit www.mbxit.com or call 877 629-8777


WINOA Group
W Abrasives - Surf Prep Pack

Experts in surface preparation are not working only on greens. To discover the SURF PREP PACK dedicated to experts, come to visit us during the GIFA (Hall15 - D14).

 
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