Prestia 23 No.1 is a basic casting plaster similar but slightly harder than Prestia Casting Plaster. Used for general fibrous castings.
Plaster/Water Ratio: 100/66 to 71
Working Time: 14 Mins
Demould Time: 30-40 Mins
Expansion: 0.13%
Compressive Strength: 13 Mpa
