// SPEC · Monolithic Refractories
Vermiculite Lightweight Castable Thermal Shock Grade (Max 1000°C)
Vermiculite-based lightweight castable with excellent thermal shock resistance, max 1000°C, 0.8 g/cm³. Preferred backup lining for industrial batch ovens, forge furnaces, and petrochemical fired heaters.
// Key Features
- Excellent thermal shock resistance for furnaces undergoing frequent heating and cooling cycles
- Natural vermiculite aggregate providing inherent flexibility under cyclical thermal stress
- Low thermal conductivity with adequate cold crushing strength for reliable backup service
- Lightweight monolithic construction reducing furnace shell structural load and heat capacity
// Technical Specifications
| Cold CCS (MPa) | 2.5 |
| Water Addition (%) | 50–65 |
| Bulk Density (g/cm³) | 0.8 |
| Max Service Temp (°C) | 1000 |
| Thermal Conductivity (W/m·K) | 0.2 |
// Applications
Industrial batch oven and curing oven insulating backup liningForge furnace backup insulating monolithic layerPetrochemical fired heater convection section backup insulationPowder metallurgy sintering furnace insulating backup courseBell-type steel annealing furnace insulating backup lining
// Quick Specs
Max Temperature1000°C
Thermal Conductivity0.20 W/(m·K) at 400°C
Density0.8 g/cm³
StandardGB/T 3002
// Get Pricing
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