单组分脂肪族水性聚氨酯U3131

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-甲基吡咯烷酮
         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