Insulating Firebrick ----- High heat oven insulation
USD $0.81 - $0.85 /Kilogram
Min.Order:500 Kilograms
Insulating Firebrick ----- High heat oven insulation
Description | Grade 23 | Grade 26 | Grade 28 | Grade 30 | |
Classification Temperature | 1300C/2300F | 1400C/2600F | 1500C/2732F | 1550C/2822F | |
Density(kg/m3) | 600 | 800 | 900 | 1000 | |
Cold Crushing Strength (MPa) | 1.2 | 1.8 | 2.5 | 3.3 | |
Modulus of Rupture(MPa) | 1.0 | 1.7 | 2.3 | 3.1 | |
Permanent Linear Change (%)x24hrs | ≤0.6 | ≤0.6 | ≤0.8 | ≤0.9 | |
Thermal Expansion (%)1000C | 0.5 | 0.52 | 0.52 | 0.53 | |
Thermal Conductivity (W/m.k) | 350C | 0.18 | 0.25 | 0.33 | 0.38 |
400C | 0.20 | 0.29 | 0.35 | 0.40 | |
600C | 0.24 | 0.32 | 0.37 | 0.42 | |
Chemical Composition (%) | Al2O3 | 42 | 56 | 67 | 73 |
SiO2 | 55 | 41 | 30 | 24 | |
Fe2O3 | ≤1 | ≤0.8 | ≤0.7 | ≤0.7 | |
K2O+Na2O | 1.1 | 1.7 | 1.7 | 1.7 |
We supply the bricks under strict control on quality,which ranges from the
inspection on raw materials, the supervision on the production technique and
process,the check on the delivered materials before dispatch.Our bricks are proved
to be a state-of-art thermalinsulating materials in the industrial furnaces and kilns
due to its features such as low thermal conductivity,the low iron content and good
strength,as a qualified member of the family of refractories in JIUCHEN company,
the applications and engineering together with our refractory ceramic fibers are
obtaining increasing and unparalleled popularity.
Features:
Low thermal conductivity
High purity and low iron content
Good thermal resistance with direct access to fire
Superior thermal shock resistance
Accurate dimension and easy cutting
Application:
Cracking furnace
Conversion furnace
Heating equipment
Refining equipment
Reproduction equipment
Hot blast stove
Certifications: