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White fused alumina for Refractories

White fused alumina for Refractories:

White fused alumina electrically fused in arc furnace with high grade processed alumina as raw material. It is characterized by high hardness, high purity, acid and alkali resistance, good thermal stability. It’s the high grade refractory material.

White fused alumina:

Purpose

Specification

Chemical composition(%)

Magnetic material content(%)

Al2O3

Na2O

SiO2

CaO

For refractory

Size sand

0-1mm

1-3mm

3-5mm

5-8mm

8-12mm

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Fine powder

180#-0

220#-0

325#-0

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Item

Specification

Colour

white

Crystal System

trigonal system

Mohs Hardness

≥9

Melting Temperature(℃)

2150

Refractory Temperature(℃)

1950

True Density

≥3. 50



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