STS is an escrow service that protects both buyers and suppliers. Funds are held securely by Made-in-China.com until order terms (e.g., delivery, quality) are fulfilled
|
Still deciding? Get samples of $ !
Request Sample
|
| Customization: | Available |
|---|---|
| Color: | White |
| Diameter: | 6-50mm |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
Payment Guarantee
Platform-protected payments with refund support for eligible order issues.
Platform Logistics
Inspection Service
After-Sales & Dispute Handling
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Product Name: High Alumina Ceramic Ball
Composition: 92-99% alumina (Al2O3)
Manufacturing: Dry pressing & high-temperature sintering
Key Specifications:
//Alumina content: 92%, 95%, 99%
//Bulk density: 3.6-3.9 g/cm³ (based on grade)
//Water absorption: ≤0.01%
//Compressive strength: ≥1500 N (for 10mm diameter)
//Max service temperature: 1650°C
//Chemical resistance: Excellent
Our high alumina ceramic balls, made from ≥92% alumina, are engineered for outstanding performance in corrosive and high-temperature environments. They are suitable for use as inert support media and as grinding media for fine powders.
Key Advantages:
1----Excellent heat resistance up to 1600°C
2----High mechanical strength, crack-resistant
3----Superb corrosion resistance in acidic/alkaline media
4----Long service life, low maintenance
5----Available in custom sizes (1mm to 100mm)
| Name | 99% Alumina ceramic ball | |||||||||
| color | white | |||||||||
| shape | ball | |||||||||
| Size | minimum content(%) | max content(%) | ordinary content(%) | |||||||
| chemical component | Al2O3 | 99 | 99.6 | 99.3 | ||||||
| SiO2 | / | 0.2 | 0.18 | |||||||
| Fe2O3 | / | 0.2 | 0.02 | |||||||
| TIO2 | / | 0.55 | 0.02 | |||||||
| CaO | / | 0.1 | 0.2 | |||||||
| 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(%) | <0.5 | |||||||||
| acid fastness(%) | >99.8 | |||||||||
| alkali resistance(%) | ≥95 | |||||||||
| specific bulk weight(g/cm2) | 2.1 | |||||||||
| Bulk density(kg/m3) | 3400 | |||||||||
| Moh's hardness | >8.0 | |||||||||
| heat conductivity coefficient(w/m2.k) | 0.7-0.8 | |||||||||
| operation temp max(C) | 1550 | |||||||||
| thermal expansivity(%)(500ºC) | 0.1 | |||||||||
| thermal shock resistance(500ºC To cold water) |
10 | |||||||||
| 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 | |
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.
){kind=link}