It has the advantages of high density,high mechanical strength and good wear resistance.grinding porcelain ball is an economical,widely used non-metallic grinding medium,grinding porcelain ball is mainly used in machinery,electronics,aerospace and other fields,can also be used in fertilizer,chemical industry and other industries.
Chemical compostion for 17% alumina ceramic ball:Al2O3+SiO2 | Al2O3 | Fe2O3 | MgO | K2O+Na2O +CaO | Other |
> 93% | 17-19% | <1% | <0.5% | <4% | <1% |
Chemical composition for 23% alumina ceramic ball:
Al2O3+SiO2 | Al2O3 | SiO2 | Fe2O3 | MgO | K2O+Na2O+CaO | Other |
> 92% | 23-26% | 68-73% | <1% | <2.5% | <4% | <0.5% |
Chemical Composition for Medium Alumina Ceramic Ball
Al2O3+SiO2 | Al2O3 | Fe2O3 | MgO | K2O+Na2O +CaO | Others |
> 93% | >50% | <1% | <0.5% | <4% | <1% |
Chemical Composition for High Alumina Ceramic Ball
Al2O3 | Fe2O3 | MgO | SiO2 | Na2O |
>99% | <0.1% | <0.5% | <0.2% | <0.05% |
Physical properties:
Item | Value |
Water absorption (%) | <0.5 |
Bulk density (g/cm3) | 1.35-1.4 |
Specific gravity (g/cm3) | 2.3-2.4 |
Free volume (%) | 40 |
Operation temp.(max) (ºC) | 1100 |
Moh's hardness (scale) | >6.5 |
Acid resistance (%) | >99.6 |
Alkali resistance (%) | >85 |
Size | Crush strength | |
Kg/particle | KN/particle | |
1/8''(3mm) | >35 | >0.35 |
1/4''(6mm) | >60 | >0.60 |
3/8''(10mm) | >85 | >0.85 |
1/2''(13mm) | >185 | >1.85 |
3/4''(19mm) | >487 | >4.87 |
1''(25mm) | >850 | >8.5 |
1-1/2''(38mm) | >1200 | >12 |
2''(50mm) | >5600 | >56 |






Q1: Where Is Your Factory Located?
A: Our factory are located in No.1-269,Zone B,Xiangdong Industrial Park,Xiangdong District,Pingxiang City,Jiangxi,China.welocme your visiting.Q 2: What Are Your Main Products?
A:Our factory mainly produces various kinds of ceramic balls,molecular sieves,actived alumina,tower random packing,plastic and metal material,environmental filter materials,high-performance ceramics and so on.
Q3: What Kind Of Payment Do You Accept?
A:we accept T/T,western union, L/C, Paypal.
Q4:What's your terms of delivery?
A:EXW,FOB,CIF,DAP .
Q5: Can I get free samples?
A: Yes,free samples 1-2 kg,please advise your contact details.
Q6: What is your MOQ?
A: The MOQ is different as per different products,for example,1 Ton for ceramic ball.