High Alumina Refractory Fire Clay Brick
High Alumina Refractory Fire Clay Brick for Steel Industry High Temperature
Laurel produces a comprehensive range of Fire clay brick consisting of 30-55% Alumina all of which exhibit excellent strength. For more arduous environments we offer a hand fired "super duty" Fire clay brick with a very high mechanical strength.
Typically our firebrick range is based upon flint clay giving it both a low iron and low alkali characteristic. Resistance to thermal shock, abrasion, chemical attack and reducing atmospheres are just some of the key criteria determining choice of product within each application. a wide range of sizes are held in stock.
Fireclay insulation brick is a lightweight and durable refractory material designed for excellent thermal insulation in high-temperature industrial applications. Made from high-quality fireclay, these bricks provide low thermal conductivity, high mechanical strength, and long service life. Available through fireclay bricks wholesale suppliers, they are widely used across industries for energy-efficient furnace and kiln construction.Lightweight, durable, and energy-efficient, fireclay insulation brick offers reliable performance for high-temperature industrial applications.
Key Features
Thermal Insulation – Fireclay insulation brick reduces heat loss and improves furnace efficiency.
High Mechanical Strength – Maintains stability under load and thermal cycling conditions.
Chemical Resistance – Resists acidic and neutral slags, ensuring durability in industrial environments.
Cost-Effective Supply – Competitive pricing through fireclay bricks wholesale channels.
Versatile Sizes & Shapes – Standard and customized options available to meet specific project requirements.
| Item | SK-30 | SK-32 | SK-34 | SK-36 | SK-38 |
| AL2O3 % (min) | 30-35% | 35-38% | 38-42% | 50-55% | 60-65% |
| Fe2O3% (max) | 3 | 3 | 2.8 | 2.5 | 2.3 |
| Refractoriness | ≥1670°C | ≥1690°C | ≥1710°C | ≥1750°C | ≥1770°C |
| Refractoriness under load, 0.2MPa, (°C) | ≥1270 | ≥1350 | ≥1350 | ≥1430 | ≥1450 |
| Apparent porosity (%) | 20-24 | 20-24 | 19-23 | 18-22 | 18-22 |
| Bulk density (g/cm³) | 2.00-2.05 | 2.05-2.1 | 2.1-2.15 | 2.15-2.25 | 2.25-2.35 |
| Cold crushing strength (MPa) | ≥25 | ≥30 | ≥35 | ≥45 | ≥50 |
| Thermal expansion at 1000°C (%) | ≤0.6 | ≤0.55 | ≤0.55 | ≤0.4 | ≤0.4 |
1.High mechanical strength
2.Good thermal shock resistance
3.Good resistance to abrasion and corrosion
4.Good volume stability at high temperature
Advantage :
1.Competitive Price. Make the products competitive in your market.
2.Abundant Experience. Prevent cracks and twist in bricks.
3.Different Moulds. Save mould fees for you.
4.Lower ferric Oxide,porosity,higher refractoriness,density,higher CCS and exact tolerance.
5.Strict Quality Control. Meet clients' quality requirement.
6.Safty packing,prompt delivery time,and excellent after-sales services.
7.Large stocks. Guarantee prompt delivery.
8.Professional Packing. Avoid damage and secure the goods in transportation.
Application :
HIGH LIGHT :
high temperature fire brick, alumina silica fire brick,fire proof bricks, clay fire bricks, insulating refractory brick
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.