Alumina Bubble Brick

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Home> Insulating Materials>Alumina Bubble Brick

Alumina Bubble Brick

Alumina bubble brick can operate at higher temperatures than mullite insulating brick, and they also have excellent insulation properties. It is a new type insulating refractory brick.

Other name: Hollow Alumina Sphere Brick

Model Number: HCR 98-1.7,HCR 98-1.3,HCR 88-1.3

Certification: ISO 9001-14001

Minimum Order Quantity: 2 MT

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Alumina Bubble Brick

Description:

Alumina bubble bricks are made of alumina hollow spheres and alumina powder as the main raw materials, and belong to one type of ultra-high temperature energy-saving insulation materials. It has high working temperature, can effectively reduce the weight of the furnace, and can save materials and energy. It is mainly used as high temperature industrial kiln linings and a thermal insulation layer for high temperature thermal equipment below 1800 Celsius.

Advantage:

High strength, high working temperture, save materials and energy

Application:

High temperture kiln lining, insulating materials for ultra-high temperature kiln

Alumina Bubble Brick Physical And Chemical

HCR Brand	Max Working Temperature	Bulk Density	Cold Crushing Strength	Refractoriness Under Load	Permanent Linear Change On Reheating	Thermal Shock Resistance (1100℃ water quenching cycle)	Thermal Conductivity	Al₂O₃	SiO₂	Fe₂O₃
	Max Working Temperature	Bulk Density	Cold Crushing Strength	Refractoriness Under Load	Permanent Linear Change On Reheating	Thermal Shock Resistance (1100℃ water quenching cycle)	Thermal Conductivity	Al₂O₃	SiO₂	Fe₂O₃
	℃	g/cm³	Mpa	℃	%	Time	W/m.k	≥%	≤%	≤%
HCR 98-1.7	1800	1.70	≥10	＞1700	±0.3	≥20	＜0.9	98	0.2	0.15
HCR 98-1.3	1750	1.40	≥8	＞1700	±0.3	≥20	＜0.8	98	0.2	0.15
HCR 88-1.3	1750	1.40	≥6	＞1650	±0.3	≥15	＜0.7	83	0.2	0.15

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