Daily Quiz (10)


True or false: An analysis of safety data sheets (SDS) for both polyurethane coatings and coatings classified as being non-isocyanate-containing revealed that there was no substantial difference between personal protective equipment requirements in the SDSs for the two types of coatings.


True or false: Aromatic isocyanates contribute to strong UV resistance in polyurethane coatings.


One type of isocyanate used to make polyurethanes is TDI. What is another?


True or false: Polysiloxanes are claimed to offer an isocyanate-free approach to protecting buildings and structures with the durability of a polyurethane, and chemical- and corrosion-resistance of an epoxy.


Which of the following isocyanates is used in polyurethane coatings?


True or false: TDI and MDI are aromatic isocyanates.


What is the relationship between a polyol and a polyalcohol?


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


True or false: OSHA recently announced a National Emphasis Program on isocyanates.


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


 
 
   

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