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<title><![CDATA[EC21 Buying Leads Catalogs - silicon dioxide]]></title>
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<title><![CDATA[Buy Cement Clinker]]></title><link><![CDATA[https://importer.ec21.com/buy-lead/Buy_Cement_Clinker--23492680.html]]></link><description><![CDATA[Silicon Dioxide (SiO2) : 20.5 - 22.5%
Aluminium Trioxide(Al2O3) : 4.0 - 5.5%
Ferric Trioxide(Fe2O3) : 2.0 - 3.3%
Magnes]]></description><pubDate><![CDATA[20140201]]></pubDate></item>

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