Shaped Insulating Fireclay Brick Dry Pressed Fire Resistant Bricks

We insist on determining the direction of enterprise development, developing superior Zircon Corundum Brick, Fire Clay Brick, Industrial Furnace and providing first-class services from the needs of our customers and the public. We earnestly fulfill our obligations of cooperation with stakeholders and safeguarding their rights and interests. Welcome to contact us for more negotiation and cooperation. We constantly improve our internal technological innovation ability to promote our sustainable development. We will, as always, take strong technical force, high-quality products, and perfect and thoughtful service as the tenet, with high-quality, exquisite manufacturing technology and testing equipment to manufacture products.

1.Bubble Alumina Brick Description

Bubble Alumina Brick is a kind of energy-saving heat insulation material of ultra-high temperature material. It is made of alumina hollow ball and alumina powder as the main raw materials, combined with other binders, and fired at a high temperature of 1750 degrees.

Item	Bubble alumina brick			Bubble zirconia brick
	85	90	99	98
Max service temperature	1680°C	1700°C	1800°C	2200°C
Al2O3/%	≥85	≥90	≥99	-
ZrO2/%	-	-	-	≥98
SiO2 /%	≤13	≤8	≤0.2	≤0.2
Fe2O3/%	≤0.2	≤0.2	≤0.2	≤0.2
Bulk density/g.cm3	1.4-1.7	1.4-1.7	1.4-1.7	≤3.0
Cold crushing strength/Mpa	≥12	≥10	≥9	≥8
Refractoriness under load (0.1MPa,0.6%)	≥1650°C	≥1700°C	≥1700°C	≥1700°C
Reheating Linear Change % (1600 °C,3h) ≤	±0.3	±0.3	±0.3	±0.3
Thermal expansion coefficient (Room temp-1300°C)	~7.8	~8.0	~8.6	~9.0
Thermal conductivity w/(m.k)(Average 800°C)	≤0.8	≤1.3	≤1.5	≤0.3

2. Bubble Alumina Brick Feature

1. The temperature can reach above 1750 degrees, and the thermal stability is good.

2. The reheating line has a small change rate and can be used for longer.

3. It has obvious thermal insulation properties and low thermal conductivity

4. Reduce heat dissipation and improve thermal efficiency

3.Bubble Alumina Brick Application

High alumina bubble bricks are suitable for cracking furnaces, hot blast furnaces, heating furnaces, tunnel kilns, crucible furnaces, electric furnaces, and electric furnace linings.

We promote the spread of Shaped Insulating Fireclay Brick Dry Pressed Fire Resistant Bricks to achieve large-scale growth in sales as soon as possible and then achieve industrialization. We take people-oriented, integrity and compliance, excellence and scientific development as the core values for sustainable development of our company. We realize that we need take the initiative to develop and innovate, and use new concepts to guide new development, thus creating a new situation of enterprise development.

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