free性video西欧极品,伊人依成久久人综合网,中文字幕人妻一区二区三区熟女,男女高潮激烈无遮挡免费观软件 ,成人3d动漫一区二区三区

Basic Info
  • Grade: pharmaceutical grade

    Factory Location: china

    Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Eastern Europe,Australasia,Asia,Middle East,Africa

  • Packaging Information: 1kg/bag

  • Sample Provided: no

    Payment Terms: Bank transfer

    As a special engineering material, polyimide has the advantages of high temperature resistance, radiation resistance and high mechanical strength, and is used in films, coatings, fibers, aerospace, electronic and electrical industries, foam plastics and photoresists. 4,4'-Diaminodiphenyl ether is one of the main raw materials of Chemicalbook. At the same time, 4,4'-diaminodiphenyl ether can also be used in the production of cross-linking agents, and is widely used to replace benzidine with carcinogenic effect in the production of azo dyes and reactive dyes. Therefore, 4,4'-Diaminodiphenyl ether is an intermediate with high added value
Send your message to this supplier
  • From:
  • To:
    Chongqing Xingcan Pharmaceutical Technology Co., Ltd
  • Send a Copy to this Email
  • Message:
    Upload Images / Files
    -?Supports?jpg,?jpeg,?png,
    ?gif,?pdf,?doc,?docx,
    ?xls,?xlsx,?txt,?rar?and?zip
    -?Max?upload?3?files;
    ?Max??total?size:?3MB
    (0/3)

    Enter between 20 to 4,000 characters.This is not what you are looking for ? Post a Sourcing Request Now

  • Verification:
PharmaSources Customer Service