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Thursday, December 1, 2011

What is the effect of air temperature on the pot life of a two-component coating?

Higher temperatures shorten pot life.
Higher temperatures extend pot life.
There is no effect.
Higher temperatures keep the paint from hardening in the spray equipment.

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Previous Quizzes from the Past Week

Wednesday, November 30, 2011
True or false: Despite their higher cost, polysiloxanes and fluorourethanes are sometimes specified for water tank exteriors.

Tuesday, November 29, 2011
True or false: Use of crystalline silica sand has now been banned from use as a blasting abrasive in the United States.

Monday, November 28, 2011
What is the main purpose of lithium silicate in the diamond polishing of concrete?

Wednesday, November 23, 2011
High pressure, supplied-air respirators used for abrasive blasting normally have an Assigned Protection Factor of 25. What does this NIOSH rating mean?

Tuesday, November 22, 2011
What ASTM Committee deals with nuclear coatings?

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