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Daily Quiz (22)


What can cause oil-alkyd coatings to saponify on new galvanizing?


True or false: A recent D+D In Depth article asserts that alkyd paints for exterior wood substrates are more flexible than acrylic paints.


An alkyd is a modified form of what other resin?


True or false: Calcium sulfonate alkyds are non-toxic, inhibitive primers.


What type of alkyds are most likely to be used for overcoating lead-based bridge coatings?


Alkyds are a specific type of what broader class of resins?


An alkyd is a modified form of what other resin?


High ratio calcium sulfonate alkyds are recommended by some coating specialists for what kind of service?


True or false: An epoxy ester coating is a single-package material.


What is the cure mechanism of conventional oil-alkyds applied in the field to architectural structures?


True or false: Alkyd resins are complex polyesters.


What is another name for a uralkyd?


True or False: High-ratio calcium sulfonate alkyd coatings have been recommended as overcoating materials when it is impractical to remove lead-based paint from steel structures.


Medium- and long-oil alkyds cure by what mechanism?


An alkyd is a modified form of what other resin?


High Ratio Calcium Sulfonate Alkyds are touted by some technologists for what kind of service?


True or false: Saponification is likely to occur when alkyds are applied to blast-cleaned carbon steel.


The risk of saponification dictates that alkyds should not be used on what substrate type?


True or false: Hybrid alkyd coatings containing both water and oil are now available for industrial maintenance applications.


True or false: Some waterborne alkyd coatings use bio-based resins.


True or false: Alkyds are often recommended for application to concrete surfaces.


What is the main reason that alkyds generally are not specified for concrete surfaces?


 
 
   

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