Water / Plaster Ratio :10 kg plaster per 5.5 - 6.5 lt water Usage Period :60 - 90 minutes Freezing Time: 120 -180 minutes Consumption Amount :8.5 - 9.0 kg/m2 (every 1cm thick) Compressive Strength :> 2.5 N/mm2 (4x4x16 blocks) Bending Fracture Strength : > 1.5 N/mm2 (4x4x16 blocks)