// SPEC · Monolithic Refractories
Phosphate-Bonded Plastic Refractory Al2O3 70%
Phosphate-Bonded Plastic Refractory Al2O3 70% with fast cold-setting for emergency hot repair of blast furnace taphole surrounds, BOF converter throats, and reheating furnace skid pipe encasements. Minimizes production downtime.
// Key Features
- Fast cold-setting at ambient temperature without kiln firing for minimal downtime
- High cold MOR ensuring immediate structural integrity post-repair
- Excellent resistance to thermal cycling and spalling under hot repair conditions
- Chemical phosphate bonding for superior adhesion to hot substrates
// Technical Specifications
| Al2O3 (%) | 70 |
| Cold MOR (MPa) | 12 |
| Plasticity Index | 35 |
| Application Method | Hand ramming |
| Max Service Temp (°C) | 1600 |
// Applications
Blast furnace taphole surround emergency hot repairBasic oxygen furnace (BOF) throat and mouth patchingReheating furnace skid pipe and support encasement repairHot blast stove combustion chamber maintenanceIron ladle lip and brick joint patching
// Quick Specs
Max Temperature1600°C
Thermal Conductivity1.25 W/(m·K) at 600°C
Density2.55 g/cm³
StandardGB/T 14982
// Get Pricing
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