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Basic Info.
Model NO.
al2o3
Density
3.75g/cm3
Al2O3
>72%
Fe2o3
<0.15%
Equivalent Abrasion
<0.3%
Application
Structure Ceramic, Industrial Ceramic
Type
Ceramic Balls
Transport Package
Bag/Pallet
Specification
20-60mm
Trademark
COLOBBIA
Origin
China
HS Code
6909120000
Production Capacity
50000ton/Year
Product Description
High Performance Alumina Ceramic Grinding Ball Wear Resistant AL2O3 balls |



*Suitable for mixing and crushing of ceramic raw materials, cement factories, enamel factories and glass work.
Item | 95% alumina balls | 92% alumina balls | 75% alumina balls | 68% alumina balls |
Al2O3 content | ≥95% | ≥92% | ≥75% | ≥67% |
Fe2O3 content | ≤0.01% | ≤0.01% | ≤0.14% | ≤0.5% |
Density | ≥3.65g/cm3 | ≥3.65g/cm3 | ≥3.18g/cm3 | ≥2.98g/cm3 |
Abrasion | ≤0.01% | ≤0.01% | ≤0.14% | ≤0.03% |
Hardness | 9 | 9 | 8 | 8 |
HS Code | 69091200.00 | 69091200.00 | 69091200.00 | 69091200.00 |
Available Size | 0.5-70mm | 0.5-70mm | 30-70mm / customized | 30-70mm / customized |


Package Details | Type: | 25 kgs bags with pallet |
Size : | 1m x 1m x 0.1m (pallet size) | |
Weight: | 1000-1300kg per pallet 25-27 tons per 20'FCL 20 packages per 20'FCL | |
Mark and Label: | Customizable | |
Delivery time | sample--1 day after confirming your required details order--amount less than 100ton will take 14 days to produce |
★High strength and wear resistance
★Excellent after-sales service. ★Free samples for testing. ★We can supply 92% alumina balls, 80% alumina balls, 75% alumina balls and 68% alumina balls.
Q: Which industries can grinding media be applied to?
Mainly used to grind all kinds of mineral materials for ceramic industry(tableware, tiles and sanitary ware), cement industry, glass industry, insulator industry and zirconium silicate etc...
Q: Which industries can grinding media be applied to?
Mainly used to grind all kinds of mineral materials for ceramic industry(tableware, tiles and sanitary ware), cement industry, glass industry, insulator industry and zirconium silicate etc...
Q: Is it possible to send samples for testing before order?
Certainly, we can send free sample to test.
Mainly used to grind all kinds of mineral materials for ceramic industry(tableware, tiles and sanitary ware), cement industry, glass industry, insulator industry and zirconium silicate etc...
Q: Which countries do you mainly export to?
Most of our customers are in Japan, Southeast Asia, the Middle East, Europe etc ... Q: Which industries can grinding media be applied to?
Mainly used to grind all kinds of mineral materials for ceramic industry(tableware, tiles and sanitary ware), cement industry, glass industry, insulator industry and zirconium silicate etc...
Q: Is it possible to send samples for testing before order?
Certainly, we can send free sample to test.
Q: Needed information for free sample.
1).Quantity (usually it's within 5kgs, but it's negotiable)
2).Size
3).Detailed address( including zip code, Attn, Phone number)
4).Courier account
Q: What payment terms does your company usually do?
We can accept 100% T/T in advance or L/C at sight for the first cooperation.
Q: How to delivery the goods?
For sample, we will use express such as DHL, TNT, UPS, FEDX to send the goods.
For mass production batch, we will use sea transportation for you.
Q: How many tons will one container load?
Usually 1X20'FCL can load 20-27tons.
1).Quantity (usually it's within 5kgs, but it's negotiable)
2).Size
3).Detailed address( including zip code, Attn, Phone number)
4).Courier account
Q: What payment terms does your company usually do?
We can accept 100% T/T in advance or L/C at sight for the first cooperation.
Q: How to delivery the goods?
For sample, we will use express such as DHL, TNT, UPS, FEDX to send the goods.
For mass production batch, we will use sea transportation for you.
Q: How many tons will one container load?
Usually 1X20'FCL can load 20-27tons.