Physical Details Mesh 200Witness 95 %Packing 25 kgs Type of Bag pp Laminated Setting time Initial 5 - 7 minuitesFinal 12 - 15 minuites Powder water ratio 1:0.7 Modulus of Rupture ( Kg/cm2 ) 75 Fluidity ( cm ) 23 Max ( Gypsum / 100g water ) 1.62Setting time 7 - 15 Minuites Chemical Analysis Sulphur Trioxide SO3 52.09%Calcium Oxide CaO 40.18 %Soluble magnesium salt expressed as MgO 0.061%Soluble sodium salt expressed as Na2O 0.004%Loss of ignition (LOI)5.06%Free lime 0.014%