한국어
- Place of Origin:CN;JIN
- Type:Ceramic Balls
- Application:Ceramic Decorations
- Material:Alumina Ceramic
- Model Number:1/8"1/4"3/4"1/2"
- Brand Name:DKJL
factory price cement ceramic alumina mill grinding balls
Alumina ceramic ball or grinding media ball are widely used as the covering or supporting materials of the catalyst in the reactors and the packing in the columns in many fields such as petroleum, chemical industry, chemical fertilizer, natural gas and environmental protection etc.
Chemical composition
Index | Value |
SiO2 | 75.00 |
Al2O3 | 26.00 |
Fe2O3 | 0.12 |
TiO2 | 1.40 |
CaO | 0.65 |
MgO | 0.60 |
Na2O | 2.00 |
K2O | 3.50 |
Al2O3 + SiO2 | 96.00 |
Physical properties
Index | Value |
Leachable Iron | ≤ 0.1% |
Apparent Porosity by Weight, dia. ≥ 10mm | ≤ 0.4% |
Apparent Porosity by Weight, dia. = 6mm | ≤ 1.0% |
Apparent Porosity by Weight, dia. = 3mm | ≤ 1.0% |
Moh's Hardness Scale | >6.5 |
Water Absorption | <1.0wt.% |
Acid Resistance | >99.8% |
Thermal Conductivity | 0.9-1.0 w/m 2.k |
Thermal Expansion @ 500 | 0.20% |
Specific Heat | 628-837 j/kgq |
Thermal Shock Stability, 500 then water cooling | 10 times |
Max. Operating Temperature | 1050 |
Specific Density | 2,350 kg /m3 |
Bulk Density (Packing Density) | 1,400 g /cm3 |
Crush Strength
| Crush Strength | |||
Nominal Size | (lbs) | (kg) | (N/pc) | |
mm | Inch | min. | min. | min. |
3 | 1/8 | 50 | 23 | 225 |
6 | 1/4 | 123 | 56 | 550 |
10 | 3/8 | 202 | 92 | 902 |
13 | 1/2 | 385 | 175 | 1716 |
16 | 5/8 | 520 | 236 | 2315 |
19 | 3/4 | 978 | 444 | 4355 |
25 | 1 | 1428 | 648 | 6355 |
38 | 1-1/2 | 2020 | 916 | 8983 |
50 | 2 | 2987 | 1355 | 13288 |
Package of high alumina ceramic ball:Ton bag or Woven bag.
We also received OEM service; the package can be designed according to your requirements.
Shipping of high alumina ceramic ball: By vessel or by train from any Chinese port, Samples can be delivered by International express.
1. Timely response,
Timely response to your inquiry, multiple choice recommendations based on your demand, quickly respond mails and provide solutions.
2. Free sample
high alumina ceramic ball Sample and trial order is accepted for the quality evaluation.
3. Strict quality control
Arrange production on time and control quality strictly.
4. Shorter delivery time.
Book the earliest vessel or plane to guarantee the delivery time.
5. Professional Services
Provide all the detailed news and pictures from order to delivery;
Offer relative export documents and original certificate if needed;
Warm and considerable after-sale service
DKJL refractories exporting company is one of the most professional suppliers of refractories in China. Our main products are refractory and thermal insulation materials, heating elements, and industrial ceramics. They are available in various sizes and shapes. Our products enjoy a good reputation for their excellent quality and service in domestic and international markets.
1. How can I get your prompt quotation for refractory ball?
We can give you reply with quotation quickly if you kindly send the inquiry with following factors of ceramic balls 6mm: content of AL2O3, ball diameter, application and quantity.
2.What's the MOQ of the order?
No limit, we can offer the best suggestions and solutions according to your condition.
3. Which payment terms can you accept?
T/T,LC,Western Union,moneygram are available for us.
4. After an order is placed, when to deliver?
15-25days after confirming the order.
5. Does your company accept customization?
We accept OEM service.
6. How to solve the quality problems?
If the products don’t conform to customer’s samples or have quality problems, our company will be responsible for it.
7. What is the HS code?
The HS code is 69141000
8. Is there any cost for the sample?
We provide free sample but don't bear the freight
9. How can I contact you?
Send Message
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