Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:1 m.t.
Supply Capability:20000 m.t./month
Description of Insulating Firebricks
CMAX Insulating Firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.
Features of Insulating Firebricks
Light weight and low thermal conductivity
Low heat storage
Low iron and impurities
High thermal shock resistance
Applications of Insulating Firebricks
CMAX Insulating Firebricks can be used as a hot face lining directly exposed to the heat or as a backup insulation layer in iron and steel mills, non-ferrous foundries, petrochemical, ceramic, glass.
Specifications of Insulating Firebricks
°C Classification Temperature °F | 1260 2300 | 1350 2500 | 1430 2600 | 1540 2600 | 1650 3000 | 1760 3200 | |
ASTM C134-95 g/cm³ Bulk Density ib/ft³ | 0.60 37 | 0.80 50 | 0.80 50 | 0.90 56 | 1.03 64 | 1.25 78 | |
ASTM C133-97 Mpa Cold Crushing Strength ib/in² | 1.2 170 | 2.0 284 | 2.0 284 | 2.6 370 | 2.8 398 | 3.4 484 | |
ASTM C133-97 Mpa Modulus of rupture ib/in² | 0.9 128 | 1.2 170 | 1.5 218 | 1.6 232 | 1.7 247 | 2.0 290 | |
ASTM C210-95 % Permanent Liner Change °C*hrs | 0 1230*24 | -0.5 1350*24 | -0.5 1400*24 | -0.8 1510*24 | -0.9 1620*24 | -0.9 1730*24 | |
ASTM C182-88 Thermal Conductivity (W/m.k) | 400°C | 0.17 | 0.24 | 0.24 | 0.30 | 0.40 | 0.49 |
600°C | 0.19 | 0.28 | 0.27 | 0.32 | 0.42 | 0.50 | |
800°C | 0.22 | 0.32 | 0.30 | 0.35 | 0.44 | 0.51 | |
1000°C | 0.25 | 0.37 | 0.32 | 0.38 | 0.45 | 0.53 | |
1200°C | --- | --- | 0.35 | 0.39 | 0.47 | 0.55 | |
Chemical Analysis of Insulating Firebricks | |||||||
Al2O3 % | 45 | 50 | 55 | 65 | 72 | 76 | |
Fe2O3 % | 0.9 | 0.8 | 0.8 | 0.5 | 0.4 | 0.3 | |
SiO2 % | 50 | 45 | 42 | 32 | 26 | 22 | |
CaO+MgO % | 0.7 | 0.6 | 0.3 | 0.2 | 0.3 | 0.2 | |
K2O+Na2O % | 1.3 | 1.0 | 1.0 | 0.8 | 0.2 | 0.1 |
Images of Insulating Firebricks
FAQ of Insulating Firebricks
1. Which products do you have?
We have all kinds of refractory brick, castable, mortar, cement, ceramic fiber products, etc.
Or you could browse our products to choose what you need.
2. Can you give me a general idea of the specification and technical data of your products?
CNBM offer a range of refractory and insulation products. We provide refractory bricks, monolithic refractories as well as ceramic fiber products. And On your given shapes, drawings or description, we are producing refractories with all sizes and shapes, resistant to temperature from 800 °C till 1800 °C, using various machines and equipments for cutting, grinding, drilling, polishing, shaping processes.
Every refractory product by CNBM is of superior quality. Lesser refractory products can not approach. CNBM utilizes proprietary testing methods, testing for chemical content, density, apparent porosity, cold crush strength and modulus of rapture. With stringent quality control, you can count on CNBM products to exceed refractory industry standards and your expectations.
3. Can you give me a brief introduction of the application of your products?
We are mainly specializing in the refractory materials in iron and steel, cement, glass, ceramics, petrochemical, electric power Industry, etc.
4. If I need your offer, what information do you need?
In order to choose suitable products, it will be appreciated to provide us the information, such us specification, technical data, order quantity, products application etc.
If any question, please contact us freely.