Alumina bubble Bricks - LQ-1.2

Alumina bubble Bricks, 1.high temperature resistance, 2.low thermal conductivity, 3. good thermal insulation - details see: https://www.buildingsupplieshub.com/alumina-bubble-bricks-10081657

Place of Origin: Shandong China (Mainland)	Brand Name: Leibao	Model Number: LQ-1.2	Type: Alumina Brick
Porosity: Hollow	Color: white ,yellow	Function: Acid Resistance Bricks,Firebricks	Feature: Angle Bricks,Thin Bricks
Technique: Sintered	Material: Alumina Block	Shape: Brick	Refractoriness (Degree): 1770°< Refractoriness< 2000°
Al2O3: ≥98.5	Fe2O3: ≤0.3	SiO2: ≤1.0

Alumina bubble Bricks

They are widely used in inner linings of various non-contacted melt high temperature kiln and thermal insulating layers of high temperature kilns.

Physical and Chemical Indexes of Hollow Alumina Sphere Bricks
Name / Indexes/ Item		MLQ-1.5	LQ-1.2	LQ-1.5	LQ-1.7
Chemical composition	Al₂O₃% ≥	84	98.5	98.5	98.5
	Fe₂O₃% ≤	0.8	0.3	0.3	0.3
	SiO₂% ≤	15	1.0	1.0	1.0
Bulk density g/m³≤		1.5	1.2	1.5	1.7
Compressive strength at normal temperature MPa≥		16	3	12	15
Porosity % ≥		58	62	60	58
Soften point at 0.1MPa KD°C≥		1650	1650	1700	1700
Fire resistant (°C)≥		1800	1800	1800	1800
Thermal conductivity Hot side 1000°C W/m.k≤		1.2	0.95	1.05	1.15