Special ready-made mortar for cement screeds. HERAMASS PRONTO Special mortar ready for medium-rapid hydration and drying screeds. Technical Data Packaging Data sheet TECHNICAL DATA Appearance: powder Deformability non deformable Mixing ratio 1,7 ÷ 2 l of water every 25 kg Mixing time 2 ÷ 3 minutes Pot life of mix 40 ÷ 60 minutes Walkable after 12 hours * Consumption 18 ÷ 20 kg / m2 per cm of thickness *Data relevant to the Standard Conditions TYPE 25 kg bag READ AND DOWNLOAD THE TECHNICAL DATA SHEET