Grade 26 1400C Insulating Firebrick For Industry Kilns JC Brick

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1
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Pieces
Origin

China Mainland
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Description

Product Detail

nsulating 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 injected according to the required proportion,the brick is compressed 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
Technical data:

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