Fireclay insulating bricks are manufactured using advanced production technology. They feature high compressive strength and low thermal conductivity. During operation, they effectively improve the thermal efficiency of industrial furnaces and kilns.
These bricks are suitable for use as insulating layers and lining materials in industrial kilns and other thermal equipment.
Index Products | Unit | Fireclay insulating brick | |||
CTNG135-1.3 | CTNG135-1.0 | CTNG125-0.8 | CTNG120-0.6 | ||
Bulk density ≤ | g/cm³ | 1.3 | 1.0 | 0.8 | 0.6 |
Cold crushing strength ≥ | MPa | 8 | 4 | 3 | 1.5 |
Reheating linear change | % | -2~1 (1350℃ ×12h) | -2~1 (1300℃ ×12h) | -2~1 (1250℃ ×12h) | -2~1 (1200℃ ×12h) |
Thermal Conductivity (AVG 350℃) | W/m.k | ≤0.55 | ≤0.40 | ≤0.35 | ≤0.25 |