Colored Bio-Polyurethane Foams to Bloom in European Markets: Ken Research Buy Now Polyurethane (PU) is manufactured by reacting di-isocynate with a polyol in the presence of a catalyst and additives. Various blowing agents are used in the process of polyurethane manufacturing to open up cells resulting in production of lightweight polyurethane foams. To stabilize the process surfactants are used to retain the shape of the… Read More »