Home > Products > Insulation Firebrick > High Density Insulating Firebrick Grade28
High Density Insulating Firebrick Grade28
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Product Details
| Place of Origin | Shandong, China | Shape | Brick | |
| Material | Alumina Block | SiO2 Content (%) | 30% | |
| Al2O3 Content (%) | 70% | |||
| Model Number | Grade28 | Brand Name | JIUCHEN |
Product Description
Insulating firebrick
Insulating firebrick gains typical advantages including low thermal conductivity,fine thermal
shock resistance,low heat containment and low iron content,meanwhile,the outstanding
mechanical flexibility,coupled with high insulating efficiency expands the extensive applications
of IFB in a variety of industrial markets.Our insulating firebrick is manufactured from highgrade refractory powder and materials in good purity.During the process of production,organic and
multiple filling materials are injected according to the required proportion,the brick is compressd in vacuum and sintered under high temperature.
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
Typical Applications
Cracking furnace
Conversion furnace
Heating equipment
Refining equipment
Reproduction equipment
Hot blast stove
Description | Grade 23 | Grade 26 | Grade 28 | Grade 30 | |
Classification Temperature | 1300C/2372F | 1400C/2552F | 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 | |
Contact Us
- Zibo JC Eco-Tech Co., Ltd.
- Contact nameSelena Guo Chat Now
- Phone0086-533-3593322
- AddressNo.99,Beiyuan Industrial Park,Liuquan Road,Zibo City,Shandong,China, Zibo, Shandong
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