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Calderys technical paper at Aachen Colloquium 2014, Nov 13, 2014

 

"High performing hydrogen-free black castables on the blast furnace casthause floor" was presented by Calderys' Dr. Nobert Smekal at the Aachen Refractory Colloquium, September 24-25, 2014:

Hydrogen Free Black Castables (ie, HFBC) have been designed for eradicating the safety risk due to hydrogen formation during installation in blast furnace troughs. Based on encouraging laboratory results observed during the development stage, industrial trials were agreed by one European customer for testing HFBC in a BF skimmer and in an iron runner spout. First conclusions from field are very positive and are in total accordance with the laboratory conclusions in term of placement properties, dry-ability, corrosion resistance, resistance to thermal shock and wreak-ability. The expected improvement of HFBC performance during operation has been consequently confirmed.

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