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<title><![CDATA[EC21 Product Catalogs - water filter plants]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/water-filter-plants--283404/1/water filter plants.html]]></link><item>
<title><![CDATA[Unexpanded Perlite Sand]]></title><link><![CDATA[https://perlite01.en.ec21.com/Unexpanded-Perlite-Sand--6396305_6817835.html]]></link><description><![CDATA[filter aid, ,and insulation fields.
Perlite
SiO2
Al2O3
Na2O
K2O
Fe2O3
MgO
CaO
Loss on ignition (chemical/combined water)
70-75% 
12-15%
3-4%
3-5%
0.5-2%
0.2-0.7%
0.5-1.5% 
3-5%
Size:
Perlite Sand, Un]]></description><pubDate><![CDATA[20120626]]></pubDate></item>

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