Landvac Tempered 8.3mm Soundproof Thermal Insulation Building Window Vacuum Glass

We have been accumulating experience and actively introducing new technologies. We always believe that only by continuously satisfying the various needs of customers and providing them with excellent insulating refractory brick, Refractory Motar, sodium silicate fire brick and services can we gain a place in the future market competition! In the process of production, operation and service, we do honest enterprise, make high quality products, create excellent service and build perfect image. The company adheres to the management philosophy of scientific decision-making, standardized management, and professional operation to ensure the standard and quality of products and 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.

Our company has a professional technical service team, self-developed Landvac Tempered 8.3mm Soundproof Thermal Insulation Building Window Vacuum Glass, at the same time can provide customers with meticulous service. We rely on science and technology for innovation and independent intellectual property rights as our backbone. We are committed to improving the company's production and delivery capabilities and quality assurance capabilities, and do our best to improve customer satisfaction.

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