Pure White Jm 23 Insulation K23 Refractory Mullite Insulating Bricks

Highly-quality making certain subsistence, Administration marketing benefit, Credit score attracting customers for Silicon Carbide Rod, Electric Arc Furnace, Silicon Carbide Tube. While creating profits and being responsible for the interests of shareholders, we also actively assume social responsibility. We strive to implement the cultural concept into the whole process of production and operation, into the job work of each employee, and enhance the execution and competitiveness with cultural power. We will constantly update our company concept to create quality products to meet market demands. Being a learning and technology-oriented company is the essence of our culture.

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.

In order to meet the market demand and enrich the choice of consumers, we try our best to upgrade our technology to develop new Pure White Jm 23 Insulation K23 Refractory Mullite Insulating Bricks. In the context of global economic integration, providing personalized products and services has become an important trend in economic development. During our years of entrepreneurial development, we have gradually cultivated and formed the enterprise spirit of striving for progress and seeking truth and innovation.

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