免费观看性欧美大片毛片

<button id="cv5lh"><acronym id="cv5lh"></acronym></button>

  • <dd id="cv5lh"><track id="cv5lh"></track></dd>

    <progress id="cv5lh"></progress>
    <dd id="cv5lh"><track id="cv5lh"></track></dd>
  • <em id="cv5lh"><acronym id="cv5lh"><u id="cv5lh"></u></acronym></em>

    Product Characteristics

    Fluorescent brightener


    Product performance:

    This product is light yellow uniform power,which can be soluble in the soft water of more than 80 times .It belongs to the anionic property ,the degree of acid and alkali resistance is ph6-11,and the content of ph8-9 is suitable. Resistance to hard water to 300 PPM,swim ion to 0.75%,the insurance power is stable, but not resistant to copper,iron,heavy metal ion,with anionic and non-ionic surfactant,acid mixture of anionic dyes such as direct ,but unfavorable with cationic dyes and surfactant ,synthetic resin ,solvent use.

    Product parameters:

    Product Use

    Weak yellow granule,easily solute used for making liquid OBA and for paper at coating or pulpprocess. 

    免费观看性欧美大片毛片
    <button id="cv5lh"><acronym id="cv5lh"></acronym></button>

  • <dd id="cv5lh"><track id="cv5lh"></track></dd>

    <progress id="cv5lh"></progress>
    <dd id="cv5lh"><track id="cv5lh"></track></dd>
  • <em id="cv5lh"><acronym id="cv5lh"><u id="cv5lh"></u></acronym></em>