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    <title>泡塑产业 - 发泡剂</title>
    <link>https://www.polyfoamtech.net/forum.php?mod=forumdisplay&amp;fid=27</link>
    <description>Latest 20 threads of 发泡剂</description>
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      <title>广义的发泡剂和狭义的发泡剂概念</title>
      <link>https://www.polyfoamtech.net/forum.php?mod=viewthread&amp;tid=8</link>
      <description><![CDATA[发泡剂有广义与狭义两个概念。这两个概念是有一定的差别的，它可以区分非应用性的发泡剂与应用性发泡剂。
        ① 广义的发泡剂是指所有其水溶液能在引入空气的情况下大量产生泡沫的表面活性剂或表面活性物质。因为大多数表面活性剂与表面活性物质均有大量的 ...]]></description>
      <category>发泡剂</category>
      <author>polyfoam</author>
      <pubDate>Wed, 17 Dec 2025 06:55:33 +0000</pubDate>
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