Alpha Plaster
Top class casting plaster which is very fine, hard and strong. Used for the casting of finished pieces where a hard durable surface is important. Setting time 9-20 minutes. Plaster to water ratio 2.8kg / litre. Compressive strength (dry) 7054 psi. This plaster is also used for castings made with Plaster Polymer for extremely hard and high weather resistant applications.
