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Daily Quiz (36)


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


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.


 
 
   

Sika-Us
Sika® Industrial Floor Coatings

Click to learn about floor and wall systems relied upon for performance, durability, easy maintenance and aesthetics across the every industry and environment.


Novatek Corporation
Novatek Corporation, Dustless Coatings Removal

Strip, clean and profile all dust free! Comply with new lead standards. Contact today: (866) 563-7800


N.T. Ruddock Co.

Our Abrasives Hold Up Under Pressure

N. T. Ruddock focuses on abrasive selection, equipment evaluation, equipment maintenance & reduction of abrasive consumption. Other services include Screen Analysis & Background Radiation Testing.


Novetas Solutions
Abrasive Blasting near or over water?

100% Recycled Glass! NO Arsenic, Beryllium or other Toxic Metals! Great White Metal Finish and Safer than Slags! Call us at 866-775-6226


NACE
Keep your records straight!

For use in the field, with step-by-step job-specific entry spaces for the entire coating or lining project; also available in condensed version. Get it today!


Safway Services
Safeguard Assets. Ensure Productivity. HAKI®

Protect assets and equipment. Keep facilities open and operational. Maintain schedules regardless of weather. Ensure smooth and continuous production. Easy to erect. Safway is the primary distributor of HAKI® products including HAKISPAN and HAKITEC® 750 – in North America.


KTA-Tator, Inc. - Corporate Office
KTA-TATOR LABORATORY SERVICES

• Coating failure analysis
• Independent
  comparative testing
• Accelerated
  weathering testing
• Toxic metals testing
• A2LA Accredited
Contact: Cindy O'Malley,
at 412-788-1300 x180


CHLOR*RID International Inc.
Hold*Blast

*Stop flash rust
*Provides outstanding
performance
*Easy to use and only pennies
per square foot
*Works with poor quality
water
*Use for mist blasting, vapor
blasting, wet blasting and
UHP WJ
*Leaves no residue and
provides excellent adhesion.


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


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.

 
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