ALUMINA GRINDING BALL

ALUMINA GRINDING BALL

APPLlCATION

It’s widely used a process of grinding,mixing,dispersion.
・ Engineering Ceramics ・ Ceramics Capacitor ・ Tiles ・ Sanitaryware ・ Porcelain ・ Pigments ・ Enamels ・ Cement ・ Abrasive Compounds etc.
Ceramics Industry.
Other fields would be Paints ・ Chemicals ・ Electronics ・ Plastics.

 

PROPERTIES

We are adopting the roll granulation method for these products.

  1. The high density and almost perfect roundness with smooth surface for higher grinding efficiency.
  2. The excellent wear resistance,higher impact strength to save your running cost and less contamination.
  3. The products have variety of quality and media size to choose the most suitable grinding condition.

 

ALUMINA GRINDING BALL SPECIFICATION

Type M SW SD L AL9
Alumina Alumina Alumina Alumina Pure-Alumina
Usage Exclusive use for
“Wet”
grinding
WET GRINDING WET GRINDING
DRY GRINDING
Exclusive use for
“DRY“
GRINDING
Usage for
PURE GRINDING
Application Beads / Balls Only Balls Only Balls Only Balls Beads / Balls
Standard Size (mmφ) 0.5-30 20-50 20-50 20-50 0.3-20
Composition Al2O3 (%) 93 92 92 91 99.5
SiO2 (%) 5 5 5 8 MgO 0.4
Specific Gravity (g/cm3) 3.61 3.61 3.59 3.50 3.80
Porosity (%) 0.0 0.0 0.0 0.0 0.0
Vickers Hardness 1250-1300 1200 1150 1000 1300
Flexural Strength (MPa) 380 370 350 330 350
Breaking Strength (Kgf/Pcs) 1000 1000 1000 850 1100
Wear Rate Wet method (%) 0.22 0.25 0.30 0.60 0.60
Dry method (%) 0.25 0.52 0.45
Test Condition Flexural Strength ISO 14704 : 2000
Breaking Strength of Ball Test Ball : 8mm with compression Test Machine, Cross Head Speed : 0.5mm/min
Wet Method
of Wear Rate
with Balls
Alumina Ball Mill   Mill Size : 1,500cc,Media size : 20mm, Media feed : 1,000gr(Packing Volume=30% )
Water Feed : 1,000cc Grinded Material Feed : Al2O3 Powder 800gr
Mill Speed : 83rpm,Grinding Test time : 50hrs
Dry Method
of Wear Rate
with Balls
Alumina Ball Mill   Mill Size : 2,200cc,Media size : 20mm,Media feed : 2,200gr(Packing Volume=50%)
Water Feed / Grinded Material Feed : None
Mill Speed : 90rpm,Grinding Test time : 96hrs
PAGETOP
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