Insulating High Temperature Refractory Bricks Light Weight

We rely on strong R & D strength, integration of the world's cutting-edge technology concept, rapid response to the changing needs of the Fire Clay Brick, Refractory Aggregate, Insulating Brick industry situation. The key to the true core competitive advantage of an enterprise is to create greater service value for customers, therefore we are working hard to develop more products for customers to choose from. The products are our flowers, fragrant and refreshing. But if we don't guarantee the quality and keep improving, the flowers will wither. The company pays special attention to after-sales service of equipment. Relying on an after-sales team with solid technology and appropriate services, we will be committed to providing customers with a complete set of after-sales services, and solving a series of problems related to cooperation for customers in a short period of time. With the help of advanced technology, outstanding talents, scientific management, and complete testing methods, we can create excellent 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.

Our company is a set of advanced technology and modern management tools research and development as one of the Insulating High Temperature Refractory Bricks Light Weight manufacturer. We hope to give excellent talents a broad space to display, give potential talents sufficient growth support, and give outstanding talents excellent returns. Since the establishment of the enterprise, we have introduced and digested the advanced industry technology at home and abroad with a down-to-earth style and a serious attitude.

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