• <strike id="wj0he"></strike>
      1. <code id="wj0he"><nobr id="wj0he"><track id="wj0he"></track></nobr></code>
      2. <center id="wj0he"></center>
          <big id="wj0he"></big>
            <center id="wj0he"></center>
                <strike id="wj0he"><nobr id="wj0he"></nobr></strike>
              1. <big id="wj0he"></big>
              2. <th id="wj0he"><video id="wj0he"><span id="wj0he"></span></video></th>
              3. <strike id="wj0he"><video id="wj0he"></video></strike>
                <big id="wj0he"><em id="wj0he"></em></big><strike id="wj0he"><sup id="wj0he"></sup></strike>

                  Products Center
                  Tel: 86-631-5584118
                  Fax: 86-631-5585188
                  E-mail: jinwei@jinweichemical.com
                  International Trading Dept.:
                  86-631-5583884 5583883
                  Sales Dept.:
                  86-631-5583886 5584168

                  Ultraviolet absorber UV-328

                  Chemical name:2-(2'-Hydroxy-3',5'-di-tert-pentylphenyl)-benzotriazole
                  Molecular formula:C22H29N3O
                  Structural formula:

                  Properties and application:It is a pale yellowish powder melting point 81, soluble in benzene, toluene, ethyl acetate and petroleum ether, slightly soluble in ethyl alcohol and methyl alcohol insoluble in water.
                  It is a excellent ultraviolet absorbet, UV  max:345nm, solubility for polymer is good, volatility is little, mainly used for PE, PP,PS,PVC, poly ester and ABS resins, and so on.
                  Light yellow powder
                  Melting point
                  Volatile matter
                  Ash content
                  460nm≥97% 500nm≥98%

                  Package: 25kg Carton

                  Copyright(C)2016 ,Weihai Jinwei ChemIndustry Co.,Ltd All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice