茄子视频 - 茄子视频在线观看 - 茄子视频App下载,香蕉eeww99国产精选播放,欧美乱综合图片区小说区

<sup id="3xywr"><center id="3xywr"></center></sup>
    • <tt id="3xywr"><center id="3xywr"><noframes id="3xywr"></noframes></center></tt>
      
      <var id="3xywr"></var>
    • <sup id="3xywr"><center id="3xywr"></center></sup>
        • <tt id="3xywr"><center id="3xywr"><noframes id="3xywr"></noframes></center></tt>
          
          <var id="3xywr"></var>
        • <sup id="3xywr"><center id="3xywr"></center></sup>
            • <tt id="3xywr"><center id="3xywr"><noframes id="3xywr"></noframes></center></tt>
              
              <var id="3xywr"></var>
            • Mfsorb? 234

              所屬分類:

              概要簡(jiǎn)述:

              化學(xué)名稱:2-(2H-苯并三唑-2)-4,6-二(1-甲基-1-苯基乙基)苯酚 CAS 號(hào):70321-86-7
              Mfsorb? 234

              關(guān)鍵詞: Mfsorb? 234

              產(chǎn)品介紹:

              外觀:白色或淺黃色結(jié)晶粉末

              純度 (GC):≥99.0% 

              透光率:425nm: ≥97.0% ;500nm: ≥98.0% 

              熔點(diǎn):139.0℃~141.0℃

              揮發(fā)份:≤0.50% 

              灰分:≤0.1%

              化學(xué)分子式: C30H29N3O

              產(chǎn)品特性:

              高分子量羥苯基苯并三唑類紫外吸收劑,對(duì)大量的聚合物有著優(yōu)異的光穩(wěn)定性

              揮發(fā)性低,光吸收強(qiáng),與基料的相容性好

              屏蔽紫外線,防止塑料高分子材料褪色,很好地保護(hù)制品顏色

              適用于聚碳酸酯、聚氯乙烯、聚甲醛、聚酰胺、聚酯、油漆等
              推薦用量:0.15-0.6%

              MESSAGE

              產(chǎn)品咨詢留言

              我們的工作人員將會(huì)在收到反饋及時(shí)聯(lián)系您
              <sup id="3xywr"><center id="3xywr"></center></sup>
                • <tt id="3xywr"><center id="3xywr"><noframes id="3xywr"></noframes></center></tt>
                  
                  <var id="3xywr"></var>
                • <sup id="3xywr"><center id="3xywr"></center></sup>
                    • <tt id="3xywr"><center id="3xywr"><noframes id="3xywr"></noframes></center></tt>
                      
                      <var id="3xywr"></var>
                    • <sup id="3xywr"><center id="3xywr"></center></sup>
                        • <tt id="3xywr"><center id="3xywr"><noframes id="3xywr"></noframes></center></tt>
                          
                          <var id="3xywr"></var>