Light Weight Mullite Insulating Brick Series for Glass Furnace

We combine scientific research and production, thus promoting the progress of science and technology, and opening up the market prospects of our Calcium Silicate Board, Extruded Prop, Ceramic Fiber Blankets. In order to make our company invincible, we will continue to improve the management system and abide by the concept of customer first. Our company has consistently carried out the development policy of 'your needs are our pursuit'. We are committed to the working principle of 'seeking innovation and pragmatism' and constantly research and develop products suitable for market demand in various industries.

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 pay special attention to the fact that both our company and employees can maintain a patient, focused and equal mindset for a long time, and that we are all equal individuals in our work, in front of problems and in the Light Weight Mullite Insulating Brick Series for Glass Furnace industry. Our vision is to build a first-class modern comprehensive and powerful enterprise with innovative strain, corporate cohesion, social influence and sustainable development. We strengthen our internal management by taking the customer's reaction and the dynamic change information of the market as the directional pointer to better serve our customers.

Hot Tags: bubble alumina brick, China bubble alumina brick suppliers, manufacturers, factory, firebrick cement mix, silica refractory bricks, lead refining furnace, high temp mortar for pizza oven, chrome magnesite, fireproof ceramic fiber paper