Insulation B1 B2 Fireclay Brick Lightweight Furnace Lining Bricks
Our lightweight fireclay insulation bricks are widely used in furnaces, kilns, chimneys, and pizza ovens. With service temperatures up to 1400°C, they provide excellent thermal insulation, energy efficiency, and long service life.Available in standard and customized shapes, these bricks feature a low bulk density of 0.60–1.25 g/cm³, working temperatures from 900°C to 1600°C, and good thermal shock resistance.
| Item | B-1 | B-2 | B-3 | B-4 | B-5 |
|---|---|---|---|---|---|
| ≤ 2.0% Reheating Shrinkage Temp (℃) | 900 | 1,000 | 1,100 | 1,200 | 1,300 |
| Bulk Density (g/cm3) | 0.70 | 0.70 | 0.75 | 0.80 | 0.80 |
| (kg/cm2) Cold Crushing Strength | 25 | 25 | 25 | 25 | 25 |
| (W/m.k) at 350℃ Thermal conductivity | 0.17 | 0.18 | 0.20 | 0.22 | 0.23 |
| Brand Properties | B-6 | B-7 | C-1 | C-2 | C-3 |
| ≤ 2.0% Reheating Shrinkage Temp (℃) | 1,400 | 1,500 | 1,300 | 1,400 | 1,500 |
| Bulk Density (g/cm3) | 0.90 | 1.00 | 1.10 | 1.20 | 1.25 |
| (kg/cm2) Cold Crushing Strength | 30 | 30 | 50 | 70 | 100 |
| (W/m.k) at 350℃ Thermal conductivity | 0.27 | 0.31 | 0.30 | 0.38 | 0.45 |
Low thermal conductivity for excellent heat insulation and reduced energy loss
Low bulk density and lightweight structure, minimizing furnace load and simplifying handling and installation
Outstanding resistance to creep at high temperatures, ensuring dimensional stability during long-term service
Good thermal shock resistance, maintaining reliable performance under repeated heating and cooling cycles
High refractoriness and superior high-temperature resistance, suitable for demanding furnace and kiln applications
- Ceramic roller kilns, used for continuous firing processes requiring stable thermal insulation
- Reheating furnaces, providing reliable insulation performance under repeated heating cycles
- Blast furnaces, serving as insulation and lining materials in high-temperature zones
- Petrochemical furnaces, suitable for harsh operating conditions with high thermal and chemical stability
- General industrial furnaces, including various heat treatment and thermal processing equipment
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