Cera Mastic provides a ready-to-use, water-based ceramic putty patching material that can be filled into any fissure, crack or defect in refractory materials. This unique repair product is based on a proprietary mixed oxide system that is completely free of Refractory Ceramic Fiber (RCF). Cera Mastic is engineered to fill damaged areas with no sintering, shrinking or cracking with use. Adheres well to all refractory surfaces, dense or porous. Applicable for all environments from 500 C (932 F) to 1500 C (2732 F). Ready-to-use after applying with putty knife or trowel followed by drying. No special cure is needed.
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Link to PDF of Datasheet for Cera Mastic