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<title><![CDATA[EC21 Product Catalogs - composition book]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/composition-book--2810/1/composition book.html]]></link><item>
<title><![CDATA[Industrial Ceramic Pressed Sphere Gold Powder Rolling High Alumina Grinding Ball]]></title><link><![CDATA[https://winceramic.en.ec21.com/Industrial-Ceramic-Pressed-Sphere-Gold--10240667_10240193.html]]></link><description><![CDATA[composition and physicaproperties 
Performance Index
92Series
Al2O3
&gt;=92%
Fe2O3
&lt;=0.02 %
Compressive strength(Mpa)
&gt;=2000
Hardness mohs
&gt;=9
Volume density(g/cm3)
&gt;=3.60
Water absorption(%)
&lt;=0.01
Equ]]></description><pubDate><![CDATA[20210323]]></pubDate></item>

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