Insulating Firebrick

1.Insulating Firebrick 2. Professional manufacturer. 3. Delivery is quickly. 4. Quality is good. 5. The lowest price

                                                                     Insulating Firebrick  

 

Description

Insulating Firebrick are made from high-purity refractory clays, temperature of use ranging from 1100 oC to 1700 oC, each grade is formulated to meet specific thermal and physical requirements.with graduated additions of alumina for higher temperature productscarefully grade d organic fillerthe organic filler burns out during manufacture to give a uniform, control pore structure.

Features

low thermal conductive, low heat storagepuritygood thermal insulation, enable the use of thin-walled constructionsthe good alumina contents confer good refractorinessiow iron and alkali fluxcontent contributes to their stability to reducing atmospherethese can be machined to special shapes, incurring fewer sections and joints

Typical Application

Recommended for use as primary hot face refractory lining or as back-up insulation behind other refractories in furnaces, kiln, flues, heaters, regenerators, stress relieving furnaces,etc

Type		TJM23		TJMB5	TJM26	TJM28	TJM30
Classification temperature oC		1260		1300	1430	1540	1600
Properties at mean temperture
Density (kg/m3)		500		800	800	900	1100
Compressive strength(Mpa)		1.0		2.0	2.0	2.5	3.0
Rupture strength(Mpa)		0.7		1.2	1.8	1.8	2.0
Properties at high temperture
Thermal Conductivity W/m.k			0.22(600°C) 0.27(800°C) 0.32(1000°C)	0.24(400°C) 0.30(600°C)	0.32(600°C) 0.35(800°C) 0.39(1000°C)	0.34(600°C) 0.37(800°C) 0.41(1000°C)	0.38(400°C) 0.41(600°C)
Chemical Composition%	AL2O3		45	45	55	64	73
	SiO2		48	48	41	32	25
	Fe2O3		1.0	1.0	0.9	0.7	0.6
	Na2O+K2O		1.2	1.0	0.9	0.8	0.7

Insulating Firebrick