Fire Clay Insulation Brick

Light weight refractory clay bricks is of low price, but of good thermal vibration stability and thermal insulation.

Bulk Density: 0.6-1.0g/cm3

High porosity

Small volume density

High mechanical intensity

Description

Fire clay insulation brick is a thermal insulation refractory product made of refractory clay as the main raw material with an Al2O3 content of 30%~48%.

Fire clay insulation brick adopts sintering method. The production process of refractory clay, floating beads and refractory adopts sintering method. Products with refractory clay, floating beads, and refractory bulk density of 0.3~1.5g/cm3.

Characteristic

Low thermal conductivity, good thermal insulation effect.
Low heat capacity, little heat energy storage, very good energy saving effect in intermittent operation.
The performance is stable, and it can still maintain good performance under reducing atmosphere.
It can reduce the heat dissipation loss of the kiln, save energy consumption, and reduce the weight of thermal equipment.

Specifications

	B1	B2	B4	B5	B6	B7	C1	C2
Temperature (℃)	900	1000	1200	1300	1400	1500	1300	1400
Bulk density(kg/m3)	650	650	780	780	890	960	11060	1140
Linear Change after Reheating (%) (℃*8hour)	0.60 (900)	0.80 (1000)	0.30 (1200)	0.30 (1300)	0.60 (1400)	0.90 (1500)	0.70 (1300)	0.80 (1140)
Compressive strength Mpa	1.5	1.3	1.4	1.5	2.4	3.5	3.6	4.0
Thermal expansion (%)	0.10 (900)	0.23 (1000)	0.50 (1000)	0.50 (1000)	0.48 (1000)	0.50 (1000)	0.50 (1000)	0.50 (1000)
AL2O3	12	12	41	41	41	62	40	41
Fe2O3	4.2	3.6	1.2	1.2	1.4	0.9	1.2	1.2
	RM-1300	RM-1300	RM-1300	RM-1300	RM-1400	RM-1500	RM-1300	RM-1400

Application

Fire Clay Insulation Brick is suitable for blast furnaces, hot blast stoves, carbon roasters, carbon calciners, coke ovens, ladles, casting systems, boilers, cement kilns, glass kilns and various furnace linings and thermal equipment, etc.

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