Chat online
Specifications
Inert Alumina Ceramic Balls10 years experience in producing Inert Ceramic BallSize:3/6/10/13/16/19/25/38/50mm
Inert Alumina Ceramic Balls
KANGYU 17~23%????
??
KANGYU?inert ceramic balls are widely used support media in the world because of their excellent consistence and reliability. Products to these specifications are manufactured from very high quality chemical-porcelain clay materials, which has quite excellent stability, high mechanical strengthand resistance to thermal shock, This makes them all ideal choice for support of all types of catalyst..
?
Chemical composition
| Min. % | Max. % | Usual % |
SiO2 | 64.00 | 75.00 | 68.40 |
Al2O3 | 19.00 | 26.00 | 24.50 |
Fe2O3 | ? | 0.12 | 0.10 |
TiO2 | ? | 1.40 | 0.96 |
CaO | ? | 0.65 | 0.42 |
MgO | ? | 0.60 | 0.38 |
Na2O | ? | 2.00 | 1.12 |
K2O | ? | 3.50 | 3.28 |
Al2O3 + SiO2 | 90.00 | 96.00 | 92.90 |
?
Physical properties
Index | Value | ? 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 | 1922 |
Specific Density | 2,350 kg /m 3 | 146 lb /ft 3 |
Bulk Density (Packing Density) | 1,350 g /cm 3 | 84 lb /ft 3 |
??
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 |
