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Basic Info.
Model NO.
RJ-857
EINECS
244-492-7
Form
Ball Shape
Formula
Al203
Purity
N/a
Structure Feature
Ball Shape
Materials
Clay, Quartz, Feldspar
Character
High Hardness, Abrasive Resistance
Advantage
Strong Corrosion Resistance
Material
Ceramic
Type
Random Packing
Usage
Chemical Engineering
Effect
Random Packing
Source
Ground Alumina
Transport Package
Carton Box, Ton Bag
Specification
25/38/50/70/80mm
Trademark
RONGJIAN
Origin
China
HS Code
6909110000
Production Capacity
10000ton/Year
Product Description
Grinding ball usually has a high hardness,can resist wear and deformation,to maintain the stability of its shape and performance,for example,alumina ceramic grinding ball with its high quality alumina as the main component,has a high Rockwell hardness,second only to diamond,more than wear-resistant steel.

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.
Q4:What's your terms of delivery?
A:EXW, FOB, CIF .
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.
Grinding ball is widely used in many industries,including but not limited to raw material processing,quartz processing,glass manufacturing,lithium battery material processing,silicon powder processing,oil and gas mining equipment and other industrial fields.the grinding ball is especially suitable for the treatment of hard materials,to avoid the introduction of metal impurities,for grinding and processing white cement,minerals,ceramics,electronic materials,magnetic materials,coatings and paints and other raw materials.
name | 90-92%High aluminum Grinding ball | |||||||||
color | white | |||||||||
shape | ball shape | |||||||||
size | minimum content(%) | max content(%) | ordinary content(%) | |||||||
chemical component | Al2O3 | 90 | 92 | 90.8 | ||||||
SiO2 | / | 4 | 2 | |||||||
Fe2O3 | / | 0.3 | 0.02 | |||||||
TIO2 | / | 0.1 | 0.02 | |||||||
CaO | / | 4 | 1.5 | |||||||
MgO | / | 0.1 | 0.05 | |||||||
Na2O | / | 0.25 | 0.1 | |||||||
K2O | / | 0.2 | 0.13 | |||||||
physical properties | leachable iron(%) | ≤0.01 | ||||||||
apparent porosity(%) | <7.0 | |||||||||
water adsorption(%) | <4.0 | |||||||||
acid fastness (%) | >99.8 | |||||||||
alkali resistance(%) | ≥90 | |||||||||
specific bulk weight(g/cm3) | 1.9 | |||||||||
Bulk density(kg/m3) | 3200 | |||||||||
Moh's hardness | >8.0 | |||||||||
heat conductivity coefficient(w/m2.k) | 0.7-0.8 | |||||||||
specific heat capacity (J/kg.°C) | 628-837 | |||||||||
operation temp max(ºC) | 1550 | |||||||||
thermal expansivity(%)(500°C) | 0.1 | |||||||||
thermal shock resistance(500ºC To cold water) | ten times | |||||||||
geometrical features | Specification (mm) | 3 | 6 | 10 | 13 | 16 | 19 | 25 | 38 | 50 |
Minimum compressive strength(N/PC) | 510 | 1030 | 1961 | 6031 | 7650 | 14896 | 15288 | 17946 | 22065 |

The grinding ball needs to have good corrosion resistance,to adapt to the existence of various acids,alkali,salt and other corrosive substances.for example,silicon nitride grinding ball has good corrosion resistance to various corrosive substances,is suitable for the grinding process of chemical industry,metallurgy and other industries.
Silicon nitride grinding ball is also widely used in industrial grinding,including chemical industry,ceramic industry,metal processing industry and energy industry.silicon nitride grinding ball has excellent corrosion resistance,wear resistance and thermal stability,can meet the needs of various acid,alkali,salt and other corrosive media,improve processing efficiency and quality.




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.
Q4:What's your terms of delivery?
A:EXW, FOB, CIF .
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.