Any of various polymers containing the urethane radical; a wide variety of synthetic forms are made and used as adhesives or plastics or paints or rubber. 各种含有氨基甲酸乙脂的聚合物,有多种人工合成形式,用于制粘合剂、塑料、油漆或橡胶。
The Low modulus material of model is urethane rubber. 模型材料是低弹模的聚氨酯橡胶。