Related Products
68% Al2O3 Alumina Ceramic Grinding Balls
80% Al2O3 Alumina Ceramic Grinding Balls
92% Al2O3 Alumina Ceramic Grinding Balls
Product Description
Manufacturer Lowest Price 68% 75% 80% 92% Inert Al2O3 Grinding Polishing High Alumina Ceramic Ball for Ball Mill
The microcrystalline wear-resistant alumina ball is a high-quality grinding medium made of selected high grade material, advanced molding technology and calcined in high temperature tunnel kiln. Possessed with high density, high hardness, low wear, good seismic stability and good corrosion resistance, the products are the most ideal medium for grinding glaze, blank and mineral powder processing, and are used as the grinding medium of ball mill in ceramics, cement, paint, refractory, inorganic mineral powder and other industries.We can produce products according to customers' specification.
Items
Content
(Al2O3)
Others
Hardness
(Mohs)
Bulk Density
(g/cm3)
Self Wear Rate
(24h)
Water Absorption
92% Alumina Balls
≥ 92%
<8%
≥9
>3.63
<0.01%
<0.01%
80% Alumina Balls
≥ 80%
<20%
≥8
>3.30
<0.02%
<0.02%
68% Alumina Balls
≥ 68%
<32%
≥7
>3.00
<0.03%
<0.02%
Size of 92% Alumina Ceramic Balls:
Normal size:1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 25mm, 30mm, 40mm, 50mm, 60mm. 70mm, 80mm, 90mm, 100mm These sizes our factory produce regular, many of them are in large stock.
Size of 80% Alumina Ceramic Balls:
Normal size: 20mm, 25mm, 30mm, 40mm, 50mm, 60mm. 70mm These sizes our factory produce regularly, many of them are in large stock.other sizes beyond this range, also could produce for you, please contact us to get more infos.
Size of 68% Alumina Ceramic Balls:
Normal size: 30mm,40mm,50mm,60mm. These four sizes have very large stock.
Detailed Images
Property Specification of Alumina Balls:
Brand
WD
WD
WD
Type
Alumina
Alumina
Alumina
Application
WET GRINDING
WET GRINDING
DRY GRINDING
WET GRINDING
Usage
Beads / Balls
Balls Only
Balls Only
Color
White
White
White
Standard Size (mmΦ)
3-90
20-60
30-70
Composition
Al2O3 (%)
>92%
>92%
>85%
SiO2 (%)
<5%
<5%
<15%
Specific Gravity (g/cm3)
>3.63
>3.65
3.3~3.6
Porosity (%)
0.0
0.0
-
Water Absorbation
<0.01
<0.01
<0.01
Moh's Hardness
9
9
8~9
Flexural Strength (MPa)
370
350
-
Compressive Strength (Kgf/Pcs)
2000
2000
-
Wear Rate
Wet method (%)
<0.01
<0.05
<0.01
Dry method (%)
-
-
-
Application
Application of Al2O3 Alumina Ceramic Balls for Ball Mill
How to optimize the grinding process in Ball Mill for Alumina Ball:
1. In the situation of wet grinding
Usually,the total charges of the alumina balls in one ball mill should be not less than 55% of the total ball mill capacity.
Empirical formula of charged alumina ball quantity into ball mill:
M=3.14xR2xDxLx25%+1000
Remark M= charged alumina ball quantity(kg)
D=Alumina ball density(g/cm)
R=Radius of ball mill L=Ball Mill LengthAlumina grinding ball proportion:
For a bright new installed ball mill, the alumina balls proportion depends on the capacity of the ball mill and the fineness of the grinding raw materials
Ball mill capacity(MT)
Grinding raw materials
Feeding size
Proportion
>15MT
Green body
> 1.5cm
Φ30:Φ40:Φ50:Φ60
2:3:3:2 or 2:4:3:1
2 .5MT, 5MT
Glaze
Φ30:Φ40:Φ50:Φ60
3:4:2:1
Glaze
Φ30:Φ40:Φ50
3:5:2
Alumina ball recharge quantity
Recharge quantity=Primary ball quantity*Ball wear loss*Grinding time
2. In the situation of dry grinding:
Dry grinding is widely used in mining, ceramics industries, we developed alumina balls performed well on dry grinding situation with much lower wear-loss, it helps solve the problem of materials contamination.
The proportion of the alumina ball for dry grinding depends on the hardness and fineness of the grinding raw material, generally speaking, CIP formed grinding ball used for dry grinding.
Wear-loss testing method of alumina ball:
This method is the Chinese domestic testing method, put alumina ball samples into polyurethane jar, testing the wear loss in the unit time.
Firstly, put 4kg alumina ball and 4L water into the grinding jar, put the jar into the testing machine, grinding 2h on the revolution of 80 r/min. Take out the samples dry them and get weight M1.
Secondly, put the above samples again into the jar, add 4L water, grinding 24h on the same revolution of 80 r/min.
Thirdly, take out the samples dry and get weight M2.
Fourthly, testing the average diameter of the samples, get average diameter D.
Fifthly, wearloss calculation:
EWT(%o )=KD M 1-M2 )M 1
Empirical formula: EWT(%o)= (M1-M2)M1/24 /100*1000*D
Packing & Delivery
Packing
25kgs per bags, 40 bags on a pallet
MOQ
1 Metric Ton
Lead time
Within 10 days from the date of order comfirmed.
Payment
T/T, L/C, D/A, D/P, Cash, etc.
Trade term
EXW, FOB, CIF, CFR ,CIP ,CPT, etc
Our Company
WELLDONE Ceramics Plant was found in 1998, is a worldwide competitor of Alumina Balls, Bricks, Liners, Mosaics.. for Grinding, Lining, Polishing, Filling... We have more than 20 years of experience in manufacturing high quality alumina grinding balls, Bricks, Liners, Mosaics..and many other environmental materials, products had been exported to North America, Europe, Middle East and South-east Asia. We had been listed as CHINA TOP 10 manufacturer, annual production capacity for alumina balls 65,000 metric tons.To offer GREEN CHEMICAL and ENVIRonMENTAL FRIENDLY CHEMICAL is our mission, 23 professional engineers are focusing on environmental production technical improvement, 2 teams focusing on offering staff safety guarantee. And we had helped 300+ companies of environmental grinding.We look forward to establishing long term cooperation with company from all over the world.
FAQ
1.What kind of product can you produce?
A:Our main products include the Alumina balls, Alumina Mosaic and Alumina brick.2.What is your Minimum Order Quantity?
A: 1 MT. The price can be discount for the large order.
3.Can you provide free samples?
A:We can provide some free samples, and just need the freight charge prepaid.4.What about the package?
A:cartons or pp bags, also we can pack as your request.
Manufacturer Lowest Price 68% 75% 80% 92% Inert Al2O3 Grinding Polishing High Alumina Ceramic Ball for Ball Mill
Manufacturer Lowest Price 68% 75% 80% 92% Inert Al2O3 Grinding Polishing High Alumina Ceramic Ball for Ball Mill
Manufacturer Lowest Price 68% 75% 80% 92% Inert Al2O3 Grinding Polishing High Alumina Ceramic Ball for Ball Mill