| abstract |
(57) [Problem] To provide a method for producing a polyurethane foam roller having a low hardness, a small variation in hardness and a good appearance by a water foaming method. SOLUTION: A shaft is placed on a cylindrical mold, A method of manufacturing a polyurethane foam roller by casting a polyurethane raw material and foaming by a water foaming method, This is a method for producing a polyurethane foam roller in which the viscosity of a polyurethane raw material is 10 to 5000 mPa and the cream time is 5 to 10 seconds. |