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<title><![CDATA[EC21 Product Catalogs - trigonal board]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/trigonal board.html]]></link><item>
<title><![CDATA[Brown Aluminium Oxide/Al2O3]]></title><link><![CDATA[https://cipie2018.en.ec21.com/Brown_Aluminium_Oxide_Al2O3--10788995_10788996.html]]></link><description><![CDATA[trigonal system
Moh&amp;#39;s hardness
&amp;ge;9.0
Melting point(centigrade)
2250
Max service Temp(centigrade)
1900
True density(g/cm3)
&amp;ge;3.90
Coefficient of inear expansion(0-1600 centigrade)
7&amp;mdash;9
3.]]></description><pubDate><![CDATA[20180730]]></pubDate></item>

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