Main Composition: Al2O3 Application: Petrochemical industry, ceramic industry, etc Size: 230*114*65mm or customized Color: White Refractoriness: ≥1800℃ Raw Material: Alumina bubble Package: Cartons with export wooden pallets

Product Introduction

Alumina Bubble Brick is a brick made of alumina hollow spheres as the main raw material, high-performance alumina ultrafine powder as an additive, organic materials as a binder, and dried and formed.

Features

1.High Service Temperature. 2.High Purity. 3.Low Thermal Conductivity. 4.Low Bulk Density. 5.High Mechanical Strength.

Application

Alumina Bubble Brick can be used in high-temperature shaft kilns, shuttle kilns, induction furnaces, nitriding furnaces, etc., and also can be used for service linings in manufacturing high-purity quartz for the electronics industry such as ceramic tile linings in gas turbines and backup linings in reactors.

Item	Alumina Bubble Brick
	CH-85	CH-90	CH-99
Al2O3(%)	≥85	≥90	≥99
SiO2(%)	≤0.8	≤0.5	≤0.2
Maximum Service Temperature( ℃)	1680	1700	1800
Bulk Density(g/cm3)	1.4-1.7	1.4-1.7	1.4-1.7
Cold Crushing Strength(Mpa)	≥12	≥10	≥9
Refractoriness Under Load (0.1Mpa, 0.6%) (℃)	≥1650	≥1700	≥1700
Thermal Conductivity ( hot surface 1000℃)(w/m.k)	≤0.8	≤1.3	≤1.5