air-set

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    Cracks on Surface Mortar

    Hi, We have an industrial roaster. Recently, we were doing maintenance and after pulling out the drum we've noticed that the mortar we've applied along the surface of the walling have developed a lot of cracks. The super-duty air-set refractory mortar we used is 47.03% Aluminum Oxide. My...
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    Prevent Cracking of Air-Set Refractory Mortar along walling

    We have an industrial roaster. Recently we were changing the firebricks along the walling and noticed a lot of cracks with the air-set refractory mortar we applied on the surface of the walling. The brand we are using is 47.08% Aluminum Oxide based on the tech sheet. My question is if we should...
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