| 摘要 |
Provided is a material for noise-proofing and vibration-proofing in an automobile engine chamber, being primarily an automobile cushioning material and automobile cover, comprising a soft polyurethane foam that has both excellent heat resistance and flame retardancy. A soft polyurethane foam is manufactured from (A) an isocyanate based on a diphenyl methane diisocyanate wherein the average number of NCO groups is 2.1-2.5, (B) a polymer polyol, (C) a catalyst, (D) a foam stabilizer, (E) a foaming agent, and (F) a castor oil-based polyol. |
