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Brown Fused Alumina

Brown Fused Alumina for Refractory Raw Material

Brown fused alumina is fused in the electric furnace with the high quality abrasive grade bauxite , coal and scrap iron as the raw material.

Brown Fused Alumina for refractory is characterized by high purity, good crystal, strong fluidity, low coefficient of linear expansion ,good corrosion-resistance and so on. Brown Fused Alumina can’t burst、pulverizeand crazein the using course. In particular, its performance-cost ratio is much higher than traditional Brown Fused Alumina, making Brown Fused Alumina become the best aggregate and padding of brown fused alumina refractory materials.

Brown Fused Alumina

Purpose

Specification

Chemical composition(%)

Magnetic material content(%)

Al2O3

Fe2O3

SiO2

TiO2

For refractory

Size sand

0-1mm

1-3mm

3-5mm

5-8mm

95Min

0-3mm

0-5mm

0-10mm

95Min

  1. Max
  2. Max

Fine powder

180#-0

200#-0

325#-0

Physical Properties

Colour

True Density

Mohs Hardness

Melting Temperature

Crystal System

Refractory Temperature

Brown

  1. 3

2050℃

trigonal system

1900℃



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