Fireclay Insulation Fire Brick Light Weight Brick Price High Strength Light Weight Mullite ...

The company has strong technical force, advanced equipment and superb craftsmanship. It is a professional manufacturer of various series ferro alloy electric arc furnace, ultra low cement castable, refractory insulation bricks. The product has been proved by users at home and abroad; the equipment is reliable and distinctive, can improve the grade and added value of the product, and has significant economic benefits. We hope to achieve the company's comprehensive strength ranking in the industry continue to move forward, to create a more advantageous and competitive modern enterprise. In the process of economic globalization, only excellent enterprises can survive. Our company will make unremitting efforts to connect with the world. We take creating all-round service as our business pattern and building a professional, high-quality and efficient service team as our service basis. Since the establishment of the company, it has provided customers with high-quality products and high-quality localized services.

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.

With the tenet of serving users with all our might, we understand users' needs in time and provide them with more satisfactory Fireclay Insulation Fire Brick Light Weight Brick Price High Strength Light Weight Mullite .... We always believe that creating maximum value for our customers is the basis of enterprise survival and competition. We always regard product quality as the foundation of survival and the way of development, and hope to lead the industry towards the green and low-carbon direction.

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