Siniat Prestia SH Alpha Casting Plaster
Potterycrafts
£8.57
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. Prestia Basic SH Alpha is a
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