Top quality and high density alumina ball for ball mill - OKH-AB012

High density alumina ball, 1.Composition:60%<= Al2O3<=70%, 2.Volume density>=3.0, 3.Hardness:7-8, 4.Colour:white - details see: //
Place of Origin: Henan China (Mainland)Type: Ceramic BallsApplication: Industrial CeramicMaterial: Alumina Ceramic
Model Number: OKH-AB012Brand Name: OKHComposition: 60% <=Al2O3<=70%Volume Density: >=3.0
Water absorptivity: <=0.1Hardness mohs: 7-8Compressive Strength: >=1500Colour: white
Equivalent abrasion: <=0.03Quality: StablePrice: CompetitiveDelivery: Convenient and efficient
Top quality and high density alumina ball for ball mill
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ItemHigh density alumina ball
Applicationto grind ceramic raw materials as grinding medium
FOB priceUSD$420~500/ton FOB Qingdao
MOQ1 ton


Compressive strength>=1500
Hardness mohs7-8
Volume density>=3.0g/cm3
Water absorptivity<=0.1%
Equivalent abrasion<=0.03%
Color of productwhite


Paymentoptional L/C, DP ,TT etc.
TransportationFOB, CFR, CIF
Packing details· 50kg per woven bag
Export portQingdao;Tianjin etc.
Loading quantity25ton in 20'FCL


Φ 30±1.5mm; Φ 40±1.5mm; Φ 50±2.0mm; Φ 60±2.0mm.

Manufacturing Process

About high density alumina ball

Alumina ball is a grinding media used in ball mill,pot mill,vibrating mill and other fine grinding plants,It has advantage of high hardness,high volume density and anticorrosion.With the smashing efficiency and scuff-resistance much better than that of common ball-stone or natural cobblestone,it is widely used in ceramics,glass,porcelain enamel,pigment,chemicals and other industries.

Dosage of high density alumina ball

During wet grinding process, when dosage of alumina balls is up to 55% of net volume of ball mill, the best status can be realized, and the weight of ball body within ball mill can be estimated with formula:

G=3.14 x R2 x d x L x 25% ÷ 1000

G: weight of alumina ball (kg)

R: radius of ball mill (cm)

d: comparative weight of alumina balls (g/cm3)

L: net length of tube body (cm)

In order to improve the grinding ability, the above formula would be changed simultaneously due to the difference of grinding aides.

Wet ball mill smashes materials mainly through grinding instead of crushing. So, the initial ball charge proportion is advised as large size ball 25%, middle size ball 50%, and small size ball 25%, which can get good grinding effect. In practice, the proportion must be adjusted depending on the granularity of raw materials, diameter and rotary speed of ball mill, so to ensure the best grinding effect and granularity.

Too little raw material will result in high abrasion of ball mill liner.

Too much raw material will result in longer milling time.

Customer visit


1>25kg bag with pallet;

2>1250kg bag(ton bag).

Delivery time

1> 3~6 days for stocks;

2>10~30 days for ordinary quantity like 1~2 tons.

3>Delivery time depends on your detailed quantity if you would like to custom high density alumina balls.


a.We welcome your e-mails,phone calls and visits.

b.We speak good English,we could provide you best and professional services.

c.Engineering Dept will help you solve all technical issues.

d.We can supply you highlymaturelogisticstransportation.

e.Free high density alumina ball samples for testing in advance.

Packaging Detail:1>25kgs bag with pallet; 2>1250kgs bag(ton bag). 3>25tons in 20 feet FCL 50 tons in 40 feet FCL.
Delivery Detail:1> 3~6 days for stocks;2>10~30 days for ordinary quantity

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