Product guide
Insulating Refractory Castable Supplier
Insulating castables reduce lining mass and heat loss in appropriate zones. Density, strength, thermal conductivity and service exposure must be balanced.
Grade selection begins with process conditions.
Typical applications
Where these materials are used
- Furnace and kiln backup linings
- Complex shapes around penetrations and ducts
- Thermal barriers and heat-retaining structures
- Selected clean-service hot-face zones
Selection factors
What to confirm
- Target density and thermal performance
- Required mechanical strength
- Hot-face versus backup position
- Installation, curing and dry-out method
Final material selection requires a review of operating conditions and project specifications.
Faster technical review
Include these details in your RFQ
A complete first message helps us compare the requested grade, manufacturing route, inspection scope and export schedule.
Procurement FAQ
Questions buyers often ask
Can insulating castable replace dense castable?+
Not automatically. Insulating grades generally trade mechanical and wear resistance for lower density and heat transfer.
Can it be used directly on the hot face?+
Only in applications where temperature, velocity, abrasion, chemistry and mechanical exposure are suitable for the selected grade.
What information helps thermal selection?+
Provide layer construction, temperatures, thickness limits, shell-temperature target and surrounding operating conditions.
Related products
Build the complete lining package
Where it may be evaluated
Related equipment applications
RFQ checklist