The Low modulus material of model is urethane rubber .

模型材料是低弹模的 聚氨酯 橡胶。

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。