Customsed Zirconia Alumina Melting Furnace Bubble Ceramic Bricks Blocks

Our technology need to be constantly improved in order for our Refractory Motar, Electric Arc Furnace, Extruded Prop to continue to compete with other similar products. The maximization of company value is the trend of modern company management goals. Our progress and development are based on a deep understanding of customer needs, continuous technological innovation and transformation, perfect after-sales service, regular diversified training for employees, and use our own knowledge to help customers easily face environmental protection challenge. For companies, efficient execution is the key to transforming strategic goals into specific benefits and results. We invite talents from all parties to join our big family to inject new impetus into the company's development.

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 will continue to invest our resources in research and development of new Customsed Zirconia Alumina Melting Furnace Bubble Ceramic Bricks Blocks to further meet the needs of our customers in environmental protection. In recent years, with the company's honest and trustworthy, good business style and reliable product quality, we are widely recognized by users from all walks of life at home and abroad. Innovation is our unremitting pursuit, quality assurance is our eternal concept, customer satisfaction is our greatest wish. We always pursue the good quality of products.

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