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Fine Powder White Aluminium/Alumina Oxide for Refractory

Basic Info

Model No.: aluminum oxide

Product Description

Model NO.:aluminum oxide
Fine Powder White Aluminium/Alumina Oxide for Refractory

1. Description:
White Aluminum Oxide Abrasives, a kind of high-grade refractories, was made from the imported high quality alumina by melting above 2 000 in the electric arc furnace and cooling.
It is white with the main crystal phase α-Al2O3.
White fused alumina is also used as refractory material. Its main content is Al2O3 with
a minimum value of 99.55 % , which guarantees the highest possible quality of abrasive grains.

2. Chemical & physical analysis:
Used for refractory,castable

MOHS HARDNESS

                 9.0

BULK DENSITY

             1.75-1.95g/cm3

SPECIFIC GRAVITY

3.95g/cm3





   Properties
       Type
 

    0-1 1-3 3-5m/m

0-100  0-200   0-320

Guarantee  Value

Typical Value

Guarantee Value

Typical Value


Chemical
Composition

Al2O3

  ≥99

99.5

≥98.5

99.0

SiO2

  ≤0.4

0.06

≤0.30

0.08

Fe2O3

  ≤0.2

0.04

≤0.20

0.10

Na2O

  ≤0.4

0.30

≤0.40

0.35


3. Specifications:
Refractory grade: 0-1mm  1-3mm  3-5mm  5-8mm 
              320F  280F   240F   200F 
              180F  150F   100F
Sandblasting grade: F8--F70   F80--F220
Polishing grade: F230--F2000  JIS#240--JIS#12000
 

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Product Categories : Aluminium Sulphate