Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the primary cause of gaseous porosity in heat-cured acrylics?
What is the primary cause of gaseous porosity in heat-cured acrylics?
- Addition of too much powder to the dough
- Insufficient curing time
- Exceeding the boiling point of the monomer (correct)
- Cooling the flask too quickly
How can gaseous porosity in heat-cured acrylics be minimized?
How can gaseous porosity in heat-cured acrylics be minimized?
- Increasing the temperature rapidly during curing
- Holding a long curing period at 70°C (correct)
- Adding more monomer to the dough
- Decreasing the curing period
What is the consequence of restricting dimensional changes during cooling?
What is the consequence of restricting dimensional changes during cooling?
- Warpage
- Crazing
- Distortion
- All of the above (correct)
Which factor helps in minimizing strains during cooling of the flask?
Which factor helps in minimizing strains during cooling of the flask?
Signup and view all the answers
What is the key to achieving variations in processing times without affecting quality in modern heat-cured acrylics?
What is the key to achieving variations in processing times without affecting quality in modern heat-cured acrylics?
Signup and view all the answers
Flashcards are hidden until you start studying
