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Daily Quiz (28)


True or false: Minimal barrier protection is a major weakness of epoxy coatings.


What epoxy curing agent is made with the oil derived from a nut shell?


True or false: According to a JPCL article in 2014, high solids epoxies tend to have shorter pot lives but longer drying times than conventional epoxies.


What term is normally used to describe surface opalescence on epoxy films caused by reaction of amine co-reactant with carbon dioxide and water?


True or false: Epoxies have better alkali resistance than many other polymers.


True or false: Some epoxy coatings are formulated for application to green concrete that has cured for only 24 hours.


True or false: A silepoxy is formed by the combination of epoxy with siloxane.


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


True or false: Epoxies that are insensitive to high pH and are vapor-permeable have been developed for green concrete (concrete that has set but not fully cured).


Epoxy coatings formulated for application over green concrete (less than 28 days of cure) must withstand what special substrate conditions?


Where would you be most likely to use an epoxy novolac?


True or False? Epoxy technology was not commercialized until the 1940s.


What coating defect is caused by exceeding the recoat interval recommended by the manufacturer for an epoxy coating?


Anatase and rutile are types of what paint component?


True or False: A two-component epoxy is a thermoplastic coating.


Hybrid coatings that combine epoxies with siloxanes are called what?


What is generally considered a weakness of epoxy coatings?


True or false: Fusion-bonded epoxy coatings are cured by UV light.


True or false: Fusion bond epoxy (FBE) coating is widely used to protect structural steel in power plants.


True or false: Two- and three-coat epoxy systems are often recommended for ships' ballast tank linings.


The epoxy curing agent phenalkamine is derived from what source?


Two-component epoxy coatings cure by what mechanism?


An epoxy-modified siloxane clear coating would be classified as what type of anti-graffiti coating?


What coating defect is likely to be caused by exceeding the recoat interval recommended for an epoxy?


The term “mastic,” as in epoxy mastic, often refers to what characteristic?


The first epoxy coatings were sold in what year?


Bisphenol A is combined with which of the following to produce epoxy resins?


Which of the following generic coating types is not an alternative to polyurethane topcoats on metal substrates in atmospheric service?


 
 
   

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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.


SAFE Systems, Inc.
SAFE Systems'
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Farrow System USA, Inc.
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AW Chesterton
Chesterton’s
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perform reliably under the most demanding exposures in the toughest process conditions. Use our Coating Selector Tool for your application needs at www.arc-epc.com.


Atlas Material Testing Technology

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• Outdoor Accelerated
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DeFelsko Corporation
PosiTest Automatic Adhesion Tester

Electronically controlled hydraulic pump applies smooth and continuous pull-off pressure at user selectable rates. No twisting, pumping or cranking.


Ethox Chemicals LLC
Ethoflex® ER instantly upgrades your epoxy!

The only epoxy additive that improves flexibility, corrosion resistance, toughness, and adhesion, without hurting pot life, cure time, or increasing VOCs.

 
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