Plaster to water ratio

The influence of the PW ratio on strength and absorption capacity

Sprikling

Soaking

Stirring

Influence of stirring time on strength

Influence of stirring time on absorption capacity

Influence of stirring time on setting time

The effects of stirring in a vacuum

Walter quality

Influence of temperature on the setting process

Mould lubricants and separating emulsions

Drying the plaster moulds