Technical Data:
KB-cerabead | KC-cerabead | |
Powder bulk density | 1.45 | 1.40 |
Refractoriness | 1800°C | 1750°C |
Coefficient of thermal expansion | 0.11 | 0.11 |
PH | 7-8 | 7-8 |
Main chemical components | Al2O3 50% Fe2O3 1.2% | Al2O3 44% Fe2O3 1.5% |
Angle Factor | ≤ 1.1, very close to ball shape | |
Advantages of KUPPER Cerabead:
(1) Powder bulk density(2) Refractoriness(3) Coefficient of
thermal expansion(4) Friendly to Binder
(5) Environment-friendly..
| As Kupper CERABEADS is about half as light as zircon and chromite, it can turn out about twice the number of molds per unit weight, and it can be handled so easily, saving labor and transfer power cost. |
| Having high refractoriness , Kupper CERABEADS can be used for casting various materials, and there is no need to use sand type distinctly according to material. |
| Thanks to little thermal expansion, Kupper CERABEADS is excellent in dimensional precision. |
| Kupper Cerabead is a neutral material, so acid, alkali binder can be used,also can reduce usage amount of adhesive |
| Good recycling performance(more than 50 times). Lower cleavage breakage rate,very low cleavage breakage rate.,easily reclaimed. |
PS:The main performance comparison of Kupper cerabead,Chromite sand and Zircon Sand
NAME | Particle Shape | Refractoriness ℃ | Reclaimation rate | Bulk Densityg/cm3 | Binder Amount
| Price | Mohs' hardness | Thermal Expansion | Environment |
Silica sand | irregular | Around 1750 | Low | 1.4-1.5 | cheap | 7 | High | dust pollution | |
Kupper Cerabead | Very close to round brings good air permeability&flowability | KB 1800 KC 1750 | High | KB 1.45 KC 1.40 | Less than 30%-50% comparing with other sand | modestly priced | 8 | Low | environment-friendly |
Chromite Sand | Irregular | 1830 | Low | 2.6-2.7 | modestly priced | 5.5-6.5 | Low | heavy metal pollution | |
Zircon Sand | irregular | 2340-2550 | high | 2.9-3.1 | Very expensive | 7.5-8 | Very low | radioactive pollution |
The Kupper Cerabead distribution specification can be designed according customer's specific requirement.
Spec | 20mesh | 30mrsh | 40mesh | 50mesh | 70mesh | 100mesh | 140mesh | 200mesh | 270mesh | Pan | AFS |
850um | 600um | 425um | 300um | 212um | 150um | 106um | 75um | 53um | Pan | ||
200# | 4.4 | 31.2 | 43.2 | 19 | 1.6 | 0.5 | 30 | ||||
300# | 27.8 | 45.1 | 26.6 | 0.5 | 40 | ||||||
400# | 5.2 | 29.4 | 43.6 | 20.2 | 1.6 | 50 | |||||
500# | 4.2 | 25.6 | 35.2 | 27.2 | 7.8 | 56 | |||||
600# | 4.3 | 31.9 | 43.5 | 18.3 | 2.0 | 70 | |||||
650# | 4.0 | 25.2 | 38 | 24.9 | 7 | 0.9 | 75 | ||||
750# | 2.2 | 26.0 | 34.4 | 18.1 | 13.7 | 4.8 | 0.8 | 86 | |||
1000# | 0.7 | 10.2 | 17.8 | 51.2 | 18.3 | 1.8 | 98 | ||||
1250# | 156 | ||||||||||
