1. <acronym id="waz0y"><strong id="waz0y"><xmp id="waz0y"></xmp></strong></acronym>

      <pre id="waz0y"><strong id="waz0y"><xmp id="waz0y"></xmp></strong></pre>
        <td id="waz0y"><ruby id="waz0y"><mark id="waz0y"></mark></ruby></td>
        <pre id="waz0y"></pre>
        <td id="waz0y"></td>
      1. <p id="waz0y"></p>
      2. 常州市恒大化工有限公司

        Changzhou Hengda Chemical Co., Ltd.

        Products are mainly suitable for chemical and pharmaceutical

        Specializing in the production and sales of chemical products such as piperazine hexahydrate, piperazine anhydrous, hexapentapiperazine, etc.

        PRODUCTS

        Hengda Chemical

        A33 Ethylene glycol

        CAS number: 107-21-1

        EINECS No.: 203-473-3

        Molecular formula: C2H6O2;

        Structural formula: HO-CH 2 CH 2 -OH

        Molecular weight: 62.068

        Freezing point: -12.6°C

        Boiling point: 197.3°C

        Appearance and property: colorless, sweet, viscous liquid

        Weight: 200kg/drum

        Uses:

        Used to make polyester polyester, polyester resin, hygroscopic agent, plasticizer, surfactant, synthetic fiber, cosmetics and explosives, and used as a solvent for dyes/inks, antifreeze for engines, gas dehydrating agents, manufacturing Resin, can also be used as a wetting agent for cellophane, fiber, leather, and adhesives. It can produce synthetic resin PET, fiber-grade PET that is polyester fiber, bottle-grade PET for making mineral water bottles, etc. It can also produce alkyd resin, glyoxal, etc., and is also used as an antifreeze agent. In addition to being used as antifreeze for automobiles, it is also used for the transportation of industrial refrigeration, generally called brine. At the same time, it can also be used as a condensing agent like water.

        HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   ORDER  |   CONTACT  |   中文版

        Copyright(C)2021, Changzhou Hengda Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案序號:蘇ICP備2021013984號

        人妻有码无码视频在线_国产狂喷潮在线观看中文_国产高潮流白浆喷水在线观看_亚洲欧洲无码一区二区三区