| abstract |
A polyurethane foam according to the present disclosure is obtained from a polyurethane starting material, which contains a polyol component and a polyisocyanate component, and a gas for frothing. The polyurethane starting material contains hydrophobic silica and light calcium carbonate, each of which serves as a foam retention agent for retaining foam; and the amount of the light calcium carbonate relative to 100 parts by weight of the polyol component is 10 parts by weight or more. |