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單組分脂肪族水性聚氨酯U3131

SYNTRAN® U3131 是一種單組分脂肪族水性聚氨酯分散體，具有良好的硬度和耐化學(xué)性。

含有SYNTRAN® U3131 的配方可以根據(jù)各種不同應(yīng)用領(lǐng)域的要求進(jìn)行調(diào)整。

性 能                                                                                                   

 應(yīng)用領(lǐng)域                                                          表面護(hù)理
                                                                     涂料

      基材                                                         PVC、亞麻和橡膠
                                                           礦石基材(大理石、花崗巖和混凝土）
                                                                  木材和復(fù)合板      

      特征和優(yōu)點(diǎn)                                             在多種基材上具有非常好的附著力
                                                                 良好的耐化學(xué)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

化學(xué)和物理性能(非產(chǎn)品性能指標(biāo))                                           

       物理狀態(tài)                                                  淡 黃色半透明分散體
         固含量(ISO 3251，D)                                              40%
         pH 值(ISO 976) (22℃)                                              8.0
         黏度(Brookfield ，ISO 3219)                                    < 800mPa•s
         最低成膜溫度(MFFT)                                                <4°C
         拉伸率                                                             210%
         密度(22℃)                                                       1.03 g/cm3
         溶劑含量和類型                                                4% N-甲基吡咯烷酮
         凍融穩(wěn)定性                                                  3 個(gè)循環(huán)后無變化
         熱穩(wěn)定性(52℃)                                               1 個(gè)月后無變化