High Temperaure Fire Resistant Insulating Refractory Brick for Fireplace

With the spirit of stability, development, loyalty, efficiency, unity and innovation, we respect talents and focus on technology, and provide users with the most cost-effective Anchor Brick, Silicon Carbide Rod, Silicon Carbide Prop and the best services. We are the manufacturer supply, is the first-hand source of goods, so shorten the distance between us and buyers. Our company in line with 'you have a request, I make great efforts' business attitude and 'quality-oriented reputation first' business philosophy to dedicate to the majority of customers.

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.

The vitality of our company's market competition lies in the innovation of our High Temperaure Fire Resistant Insulating Refractory Brick for Fireplace. Over the years, we are committed to breakthrough key technology and equipment bottlenecks, and actively develop strategic emerging industries. As the saying goes, "Product is character, quality is personality, and service is responsibility", the company has been moving in this direction!

Hot Tags: bubble alumina brick, China bubble alumina brick suppliers, manufacturers, factory, ceramic fire blanket for pizza oven, steel casting furnace, aluminum melting induction furnace, lightweight insulating fire bricks, iron melting furnace, electric submerged arc furnace