Low wear loss inert ceramic balls
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Product Details
| Place of Origin | Jiangxi, China | Type | Ceramic Balls | |
| Application | Ceramic Decorations | Material | Alumina Ceramic | |
| Model Number | 1/8" 1/4" 3/4" 1/2" | Brand Name | DKJL |
Product Description
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 |
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Contact Us
- DKJL CO., LTD.
- Contact namenicole lee Chat Now
- Phone86-10-62197466-324
- Address606, Hengrun Commercial And Housing Center, No. 32, West North 3rd Ring Road
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