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<title><![CDATA[EC21 Product Catalogs - refractory filter]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/refractory_filter--054199/1/refractory filter.html]]></link><item>
<title><![CDATA[Zircon Dioxide]]></title><link><![CDATA[https://heli2008.en.ec21.com/Zircon_Dioxide--1866036_8206671.html]]></link><description><![CDATA[refractory materials, wear-resistant materials;
Zirconia ceramics have high dielectric constant and low dielectric loss, and are used in fields such as communication and antennas, filters, circulator]]></description><pubDate><![CDATA[20250302]]></pubDate></item>

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