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<title><![CDATA[EC21 Product Catalogs - phenylene]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/phenylene--393799/1/phenylene.html]]></link><item>
<title><![CDATA[Pbo Yarn]]></title><link><![CDATA[https://yusheng2001.en.ec21.com/Pbo_Yarn--11717758_11917095.html]]></link><description><![CDATA[PBO yarn, the
full name is &quot;poly-para-phenylene benzobis-oxazole yarn&quot;, is an
existing aromatic heterocyclic polymer.
It is a
compound with very excellent properties in materials and is also a
compre]]></description><pubDate><![CDATA[20240327]]></pubDate></item>

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