Paradise Minerals supplies Plaster Of Paris Powder. Paradise Minerals manufactures a wide range of minerals, welding flux, submerged arc welding flux, stick electrodes and other mineral products. The Plaster Of Paris Powder is based on calcium sulfate and hemihydrate [gypsum] and is generally used as building material. The Plaster Of Paris Powder when used with water provides the requisite hardness and also has the binding properties.