// SPEC · Monolithic Refractories
Quick-Setting Gunning Mix Al2O3 55%
Al2O3 55% quick-setting gunning mix for emergency repair with minimum downtime. Set time under 30 minutes enables rapid return to service in reheat furnaces, steel ladles, and heat treatment furnaces.
Monolithic RefractoriesMax Temp: 1550°C
// Key Features
- Ultra-fast setting within 30 minutes for minimum production interruption
- High initial bond strength before reaching full sintering temperature
- Narrow water addition range for consistent mix and application quality
- Good thermal shock resistance during accelerated heat-up after emergency repair
// Technical Specifications
| Al2O3 (%) | ≥55 |
| Cold CCS (MPa) | ≥30 |
| Rebound Loss (%) | ≤13 |
| Water Addition (%) | 22–28 |
| Max Service Temp (°C) | 1550 |
// Applications
Reheat furnace hearth and side wall emergency repairSteel ladle side wall hot patchingHeat treatment furnace lining fast repairPusher furnace skid rail surround repairWalking beam furnace roof spot repair