High Aluminium Heat Insulating Brick

We offer perfect service to our customers and bring in the highest quality Ceramic Fiber Tape, High Alumina Brick, High Alumina Insulating Brick at the most competitive price for our clients. Our entire operations are focused on the precise demands of our client needs. Over the years, we have taken many steps to offer better service and superior quality to all of our customers. Our goal is to provide you with a larger selection of products in our ever-growing industry. We will steadily improve the scientific management level of the enterprise, and strive to build the company into an enterprise with leading technology, excellent quality, and advanced management. In our relentless pursuit of making the company bigger, we attach importance to and strengthen the construction of corporate culture. Our company actively recruit technical knowledge talents to promote the development of the company with knowledge and technology.

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.

To reach a mutual profit of our clients, suppliers, the society and ourselves for High Aluminium Heat Insulating Brick. As such we are seeking enthusiastic and professional people to join us and contribute to our success and future prosperity. Our company actively develop international trade, accelerate the establishment of overseas institutions, vigorously carry out multi-functional operation and expand the scale of operation.

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