1.57kg U RESIN HR250 – U RESIN HR250 is high resilience water blown flexible polyurethane foam. This product is designed for the manufacture of cushions, for office and domestic furniture. The system can be manually drill mixed (@ a minimum speed of 3000 rpm) but it is preferable to process through a plural component polyurethane dispensing machine. POLYOL ISOCYANATE Specific Gravity @ 25°C 1.05 1.20 Viscosity (cps) 1450 450 Appearance Opaque Liquid Brown Liquid POLYOL ISOCYANATE MIXED Ratio (weight) 100 57 Temperature (°C) 25-30 Mix Time (sec) 7-8 Cream Time (sec) 12 Gel Time (sec) 70 Tack Free Time (sec) 300 Free Rise Density (kg/m3) 57
