Rokopol® M1140 is a polyether polyol used as a cell opener for production of high resilience polyurethane foams. It has a hydroxyl value of 39-43 mgKOH/g and dynamic viscosity of 850-1050 mPas at 25°C. With its high purity and low emission of volatile organic compounds, it is ideal for manufacturing foams with densities ranging from 20-80 kg/m3 and hardness from 0.6-3kPa. It is commonly used in the production