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High Cr2O3 Chromium Corundum

Chromium Corundum is bayer alumina,which is electrically fused in high temperature,being added with the right quantity of oxidized chromium. lt is pink.lts hardness is close to,but toughness higher than that or WA.

/MT

Chromium Corundum Description

Chromium Corundum is bayer alumina,which is electrically fused in high temperature,being added with the right quantity of oxidized chromium. lt is pink.lts hardness is close to,but toughness higher than that or WA.

Chemical composition for Chromium Corundum

 

Specification

       Low chromium        Medium chromium         High chromium

Al2O3

(%)

Cr2O3

(%)

Na2O

(%)

Al2O3

(%)

Cr2O3

(%)

Na2O

(%)

Al2O3

(%)

Cr2O3

(%)

Na2O

(%)

F12-F80≥98.500.20-0.45≤0.50≥98.20 

0.45-1.00

≤0.55≥97.401.00-2.00≤0.55
F90-F150≥98.50

≤0.50≥98.20

≤0.60≥97.00

≤0.60
F180-F220≥98.50

≤0.50≥98.80

≤0.70≥96.50

≤0.70
       

Physical property for Chromium Corundum:

Basic mineralsCrystal size

μm

True density

g/cm3

Bulk density

g/ cm3

Knoop hardness

kg/mm2

α-Al2O3600-2000≥3.901.40-1.912200-2300

High Cr2O3 Chromium Corundum

High Cr2O3 Chromium Corundum

Application:

The abrasive tools made of it feature excellent durability and high processing cleanness,which are suitable for the precision grinding of the measuring tools,lathe main shafts,instruments and apparatus parts,threading workpieces and samplers,etc.

High Cr2O3 Chromium CorundumHigh Cr2O3 Chromium Corundum

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