High Temperature Insulation Brick Made in China

Our company set a good example for the industry with high quality conventional castable refractory material, Pizza Plate, refractory brickwork and services. We adhere to a new management model, perfect technology and thoughtful service, and excellent quality for survival. Our company seizes the opportunity of national policy and vigorously implements the market strategy of going out, leading the direction of high-quality development of the industry all the way. Our products are favored by customers in many countries and regions.

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.

Looking forward to the future, we will continue to forge ahead, hoping to spread our original ideas and methods to the world and become one of the most respected companies in the High Temperature Insulation Brick Made in China industry in China. Our company insists on improving staff quality, improving management level, enhancing cohesion and competitiveness, and achieving sound and rapid development. The company's management personnel have high business quality and management experience, which enables us to continue to grow and develop in the tide of the market.

Hot Tags: bubble alumina brick, China bubble alumina brick suppliers, manufacturers, factory, high alumina refractory bricks, foam insulation brick, insulating castable refractory cement, ceramic board insulation, fire brick inside fire pit, electrode arc furnace