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<title><![CDATA[EC21 Product Catalogs - quartz silica based]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/quartz_silica_based--2673/1/quartz silica based.html]]></link><item>
<title><![CDATA[Proppant Sand]]></title><link><![CDATA[https://ceramicsands.en.ec21.com/Proppant_Sand--11954299_11954300.html]]></link><description><![CDATA[silica sand and synthetic ceramic proppants
. 
Fracturing quartz sand is a highly pure, granular material with hardness and toughness. Its main component is silica, and its particle size meets the re]]></description><pubDate><![CDATA[20240620]]></pubDate></item>

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