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Field trials in hydrocyclone applications in mining and cement plants have shown more than three times the life of conventional nitride-bonded SiC components. ASTM C 704 abrasion resistance testing has verified this.
The new composition creates a unique interaction between constituent materials, yielding a body with refractory-like densities that allows the shapes to be thermal-cycled repeatedly without damage due to thermal shock, but with a very closed porosity that is normally found in fully dense advanced ceramic bodies.
The new material can be formed and processed like conventional nitride-bonded SiC, but exhibits greater abrasion resistance in line with much more expensive and difficult-to-form advanced ceramic materials.
Applications for this composition include: slurry, ore, ash, coal, coke and catalyst processing and transport in high-temperature, abrasive and corrosive environments. Typical components include pipe linings, elbows, burners, valves, cones, vortex finders, nozzles, micronizers and pump components.
For more information, call (800) 550-5768 or (518) 436-1263, ext. 21, or visit www.blaschceramics.com.