Fiberfrax® Refractory Fiber Caulk 2300° In Stock


Fiberfrax® LDS Moldable Crack Sealing Insulation Caulk


  • For use in patching and insulating hot cracks, joint, seams in high temperature furnaces & kilns. Caulk for cracks in refractory and module linings & patching around burner blocks


  • Fibermax caulk is a high-temperature blend of Fiberfrax® bulk fibers, Fibermax polycrystalline high-alumina fibers, and inorganic binder. This product is available in convenient-touse caulking tubes. With a temperature grade rating of 1260°C (2300°F)


  • The Fiberfrax® Specialties family of products includes Fiberfrax® moldables, pumpables, caulks, coating cements, rigidizers, tamping mix, and Moist-PackTM blanket. Many of these products contain a wet, inorganic binder to provide both strength and hardness at elevated temperatures. 


  • ​Fiberfrax® LDS and LDS-AL moldables consist of Fiberfrax® ceramic fibers dispersed in a sticky water-based refractory binder. These materials have a putty-like consistency which permits application by caulking, troweling, or hand forming.
Item Name: Fiberfrax® LDS Moldable Crack Sealing Insulation Caulk
Weight, lbs.: 1.00
Lead Time: In Stock. Available for immediate shipment.
Product Description
11oz. Caulking Tube Weight Qty  
$41.95 2.00 Add to Cart