Practice question · Estimate
Roughly how many minutes of working time does a typical plaster mix allow between pouring the mix and it becoming unusable?
Estimate on a scale from 0 minutes (0) to 60 minutes (60).
Hints
- Plaster is a fast material.
- Minutes rather than tens of minutes.
Show the answer
8 (answers within ±5 count)
Why
On the order of eight minutes, and highly dependent on the plaster, the water temperature and how much it has been agitated. The number matters less than the habit: everything — mould walls, release agent, containers, the original — must be ready before the plaster touches the water.
Practise Moulds II: Materials and Procedure
The app has 5 more questions on this lesson, and keeps your place in the course. Sculpture I is free to start.
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