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Grade 23 High Alumina Insulating Firebrick JC Brick

Grade 23 High Alumina Insulating Firebrick JC Brick

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...

Products Details

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
Insulating firebricks 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 high-grade refractory powder and materials in good purity. During the process of production, organic and multiple filling materials are according to the required proportion, the brick is compressed in vacuum and sintered under high temperature.

Specifications

DescriptionGrade 23Grade 26Grade 28Grade 30
Classification Temperature1300C/2300F1400C/2600F1500C/2732F1550C/2822F
Density(kg/m3)6008009001000
Cold Crushing Strength (MPa)1.21.82.53.3
Modulus of Rupture(MPa)1.01.72.33.1
Permanent Linear Change (%)x24hrs≤0.6≤0.6≤0.8≤0.9
Thermal Expansion  (%)1000C0.50.520.520.53
Thermal Conductivity (W/m.k)350C0.180.250.330.38
400C0.200.290.350.40
600C0.240.320.370.42
Chemical Composition
       (%)
Al2O342566773
SiO255413024
Fe2O3≤1≤0.8≤0.7≤0.7
K2O+Na2O1.11.71.71.7
Hot Tags: Grade 23 High Alumina Insulating Firebrick JC Brick, Grade 23 Insulating Firebrick
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Address: No.99,Beiyuan Industrial Park,Liuquan Road,Zibo City,Shandong,China
Tel: +86-533-3593322 +86-533-3593344
Fax: 86-533-5203536
E-mail:emily@chinajiuchen.com
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