SYNTRAN®  U3131  是一种单组分脂肪族水性聚氨酯分散体,具有良好的硬度和耐化学性。  含有SYNTRAN®  U3131  的配方可以根据各种不同应用领域的要求进行调整。     性   能                                                                                                                                                               应用领域                                                           表面护理                                                                                  涂料            基材                                                PVC、亚麻和橡胶                                                              矿石基材（大理石、花岗岩和混凝土）                                                              木材和复合板                 特征和优点                                       在多种基材上具有非常好的附着力                                                               良好的耐化学性能                                                              非常好的耐磨性                                                              良好的耐皂化性能                                                              和丙烯酸乳液有良好的相容性      化学和物理性能(非产品性能指标)                                                                                                                     物理状态                                                               淡 黄色半透明分散体            固含量(ISO  3251,D)                                                40%            pH  值(ISO  976)  (22℃)                                             8.0           黏度(Brookfield  ，ISO  3219)                                    <  800mPa?s           最低成膜温度(MFFT)                                               <4°C           拉伸率                                                                  210%            密度(22℃)                                                             1.03  g/cm3           溶剂含量和类型                                                        4%  N-吡咯烷酮            冻融稳定性                                                             3  个循环后无变化            热稳定性(52℃)                                                         1  个月后无变化