CGY-1 is a universal surfactant for the production of polyurethane rigid and semi-rigid foams due to its excellent flow properties. 1) Appearance: light-yellow or light brown liquid 2) PH: 5-6 3) Viscosity (25 degrees): 300 - 800mm2/s 4) Refractive index (25 degrees): 1.4515 - 1.4560 Packing: 200kg per drum Shelf time: One year