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Rayan Castables are classified under two main group:

Dense Castables called “RAYA CAST”* and Insulating Castable called “RALIGHT.”


 RAYA Cast

This is the most divers group of monolithic specially designed to withstand the hardest working situation bearing high pressures conjoint to the highest service temperatures (RUL).


These are insulating castables with low thermal conductivity, containing light weight aggregates, suitable as linings, which impede heat transfer.      

*Self-Flow castables (SFC) are called “RAYA FLOW.”


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