Product guide
Polycrystalline Alumina Fiber Board Supplier
Sinosteel Luonai’s official page describes ultra-high-temperature polycrystalline alumina composite fiberboard made with polycrystalline alumina fiber, fillers and binders by combined suction and pressure forming. The published range is FHB1500, FHB1600, FHB1700 and FHB1800.
Published catalog reference. Final grade, dimensions, properties and availability are confirmed against the RFQ. Official source.
Typical applications
Where these materials are used
- Thermal and electrical insulation for high-temperature electric furnaces
- Insulation for equipment heating units
- Tunnel-kiln lining systems
- Roller-kiln lining systems
Selection factors
What to confirm
- Published grades FHB1500, FHB1600, FHB1700 and FHB1800
- Classification/max service temperatures from 1,500°C to 1,800°C by grade
- Published long-term furnace temperatures from ≤1,400°C to ≤1,700°C by grade
- Standard reference size 1,000 × 600 × 30–100 mm
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
Which grades are listed?+
The official product table lists FHB1500, FHB1600, FHB1700 and FHB1800.
What is the published long-term range?+
The table shows long-term furnace temperature limits of ≤1,400°C, ≤1,500°C, ≤1,600°C and ≤1,700°C respectively.
Is machining possible?+
The official description highlights machinability, but finished dimensions and tolerances must be confirmed for the requested grade and drawing.
Related products
Build the complete lining package
Where it may be evaluated
Related equipment applications
RFQ checklist