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Daily Quiz (35)


True or false: Acrylic, silicone, and polyurethane coatings are among the types sometimes specified as roof coatings over spray polyurethane foam.


A variation on polyurethane coating chemistry that allows for faster curing times and higher film builds has what name?


Which of the following polyurethane types tend to yellow in sunlight?


What type of polyurethane yellows and chalks in direct sunlight?


True or false: Oil-modified urethanes, or uralkyds, are chemically curing materials.


True or false: Aromatic polyurethanes are designed mainly for indoor applications.


True or false: High-performance polyurethanes, polyaspartics, polysiloxanes, and fluoropolymers are best bets to retain gloss and color for long periods in atmospheric exposure.


True or false: Direct-to-metal polyurethane coatings are available in waterborne formulations.


Which of the following isocyanates is used in polyurethane coatings?


True or false: A uralkyd is a moisture-cured polyurethane.


True or false: Closed-cell, spray-applied polyurethane foam can be used as insulation but not as an air barrier.


True or False: Common factory-applied finishes over hot-dipped galvanized steel include polyester, acrylic, fluoropolymer, plastisol, and polyurethane.


Scrubbable waterborne polyurethanes for use on walls in hospitals are available in a matte finish.


Which of the following polyurethane types tends to yellow in sunlight?


In coatings, “American process” and “French process” refer to the creation of what material?


True or false: A zinc silicate primer is classified as an organic zinc-rich primer.


True or false: Aromatic polyurethanes exhibit better weathering properties than aliphatic polyurethanes.


Polyurethanes are formed by the reaction of an isocyanate with a hydroxyl-containing substance. What is another name for this hydroxyl-containing substance?


What is the relationship between a polyol and a polyalcohol?


TDI and MDI are two types of what coating ingredient?


What resin chemistry is suitable for development of coatings that can be successfully applied to stucco?


True or false: The main difference in properties between a polyurethane and a polyurea is the amount of hydrogen bonding.


What type of isocyanates contribute to strong UV resistance in polyurethane coatings?


True or false: Aliphatic polyurethanes exhibit gloss and color retention better than aromatic polyurethanes.


An oil-modified polyurethane is sometimes called by what name?


True or false: Aliphatic polyurethanes tend to retain color and gloss better than aromatic polyurethanes.


What is the alpha-numeric designation of the recently published SSPC standard describing recommended best practice in applying plural component polyureas and polyurethanes?


True or false: Polyurethanes were developed about 75 years ago by Dr. Otto Bayer and colleagues at IG Farben in Germany.


A variation on polyurethane coating chemistry that allows for faster curing times and higher film builds has what name?


True or false: Single-component polyurethane coatings are always waterborne.


Which of the following polyurethane types tends to yellow in sunlight?


True or false: Polyurethanes formulated with aromatic polyisocyanates tend to have very strong weathering capabilities.


True or false: Aromatic polyurethanes tend to retain gloss and color better than aliphatic polyurethanes


True or false: A clear polyurethane used to seal a coated concrete surface should exhibit maximum turbidity.


True or false: Polyurethane topcoats usually have good abrasion resistance.


 
 
   

SABRE Autonomous Solutions
Safety, Productivity, Quality. Robotic Blasting

Learn how this simple to use, field deployed, automatic robot is eliminating hazards in major confined, cluttered and complex surface preparation projects.


Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

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


SAFE Systems, Inc.
SAFE Systems'
Blast Lights &
Deadman Switches

Halogen or LED blast lights available with our NEW urethane bumper. Switches available in many colors for color coding your hoses.


Nationwide Overspray
Profession Overspray Removal Services

The Finest Name in Safe Overspray Removal. We specialize in removing all contaminants from any surface. Family Owned and Operated for 33 years! Fully insured. Satisfaction is guaranteed.


Modern Safety Techniques
Modern Safety Techniques

See our Low Temperature Catalyst for your CO removal needs. Help to provide your workers with safe, comfortable breathing air!


Safway Services
Suspended Access Made Easy With QuikDeck™

The smart choice for suspended access, QuikDeck’s interchangeable, lightweight components make them easy to set up and reassemble when you need to move.


Mitsubishi Gas Chemical America
Performance Amine 1,3-BAC

A highly reactive cycloaliphatic diamine offering superior performance. Reasonable cost and curing efficacy makes it suitable for all types of epoxy resin applications.


RBW Enterprises, Inc.
Robotic Blast Cleaning & Painting News

RBW Enterprises has the only portable blast cleaning machine that can clean both horizontal and vertical surfaces, and pipe See more Videos at www.rbwe.com


HoldTight Solutions Inc.
NO FLASH RUST -
NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rust preventer prevents flash rust by removing surface contaminants. It has no equal; only wannabees.
Contact us for your
nearest distributor.
(800) 319.8802 sales@holdtight.com


SEMicro Division, M.E. Taylor Engineering, Inc.
Coatings Adhesion Testers

The PATTI® accurately measures the bond strength between coating & substrate. Outfitted properly, the surface can be rough, porous, or curved & >10K psi strong!

 
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