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Silkem - Silicates, zeolites, granulates, calcinated alumina, tabular alumina and derived products manufacturer.
special alumina  zeolite compounds 
www.silkem.si - 2009-04-04
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High temperature refractory
castertips  custom formed  fibrous ceramic  high temperature systems 
www.zircarceramics.com - 2009-02-12
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