• <table id="auugo"></table>
  • <td id="auugo"></td>
  • <td id="auugo"></td>
  • <td id="auugo"></td><xmp id="auugo">
    <table id="auugo"><td id="auugo"></td></table><table id="auugo"></table>
  • <td id="auugo"></td>
  • <table id="auugo"></table>
  • <td id="auugo"></td><td id="auugo"><button id="auugo"></button></td>
  • <td id="auugo"></td><td id="auugo"><li id="auugo"></li></td>
  • <td id="auugo"></td>
  • <td id="auugo"><button id="auugo"></button></td>
  • <li id="auugo"></li>
  • <td id="auugo"><button id="auugo"></button></td>
  • <td id="auugo"><li id="auugo"></li></td>
  • <td id="auugo"><button id="auugo"></button></td><td id="auugo"><button id="auugo"></button></td>
    <table id="auugo"></table>
  • <li id="auugo"></li>
  • <td id="auugo"><li id="auugo"></li></td>
  • <table id="auugo"></table> <table id="auugo"></table>
  • <td id="auugo"></td><li id="auugo"></li>
    <table id="auugo"><button id="auugo"></button></table>
  • <table id="auugo"><li id="auugo"></li></table>
  • <td id="auugo"><li id="auugo"></li></td><xmp id="auugo"><td id="auugo"></td>

  • 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
     
    Products

    Ultraviolet absorber UV-327

    Chemical name: 2'-(2'-Hydroxy-3',5'-di-tert-butylophenyl)-5-chlorobenzotriazole
    Molecular formula:C20H24N3OCL
    Structural formula:

    Properties and application:
    light yellow powder, melting 151, UV max.UV-327 strongly absorb ultra-violet ray of 300-400nm, the chemicas stability is good, volatility is little, solubility, solubility for polymer is good, particularly, it is used for PE, PP, also application for poly(methanal).
    Poly(methyl methacrytale), poly urethane and coatings.

    Specifications:

    Appearance:
    Light yellow powder
    Melting point:
    151οC
    Ash content:
    ≤0.05%
    Volatile matter:
    ≤0.5%
    Transmissirity:
    460nm≥97% 500nm≥98%
    Purity:
    ≥99%
     
    Package: 25kg Carton

    Copyright(C)2016 ,Weihai Jinwei ChemIndustry Co.,Ltd All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice
    欧美综合自拍亚洲综合图片区,年轻的妺妺a片,51国产偷自视频区视频,欧美综合自拍亚洲综合图片区