Excerpt:
Calcined Alumina is a commercial Alumina or Aluminum Oxide. It is white powder. One of the outstanding characteristics of Calcined Alumina is its hardness which is 9 on mohs scale.
Calcined Alumina is a commercial Alumina or Aluminum Oxide. It is white powder. One of the outstanding characteristics of Calcined Alumina is its hardness which is 9 on mohs scale.
Calcined Alumina
Calcined Alumina is a commercial Alumina or Aluminum Oxide. It is white powder. One of the outstanding characteristics of Calcined Alumina is its hardness which is 9 on mohs scale. There is board industrial field of applications for this type of alumina and number of distinctive grade are produced to meet various needs.
Identification of grades
1) Calcined Aluminum S-100 grades: White granular free flowing powder passes through 150 m.
2) Calcined Aluminum S-300 grade: White superfine powder passes though 45 micron.
3) Calcined Alumina SCM grade: It is finally ground grades consisting entirely of superfine passes through 45 micron.
4) Calcined Alumina S-300 PT: It is finely ground grade consisting entirely of superfine with surface treated.
Uses
Use as a bedding material in the heat treatment of special alloy steels, It is use as a fluxing medium in the meeting of special steels as a component of low expansion glass. It is use as a constituent of special china dazes & it is use as a raw material for the manufacture of dental porcelains. It is use for refractory application such as electrical insulators. It is use as a abrasive resistant. It is use glazing ceramic tiles.
Low Soda Calcined Alumina
Characteristics: with high quality raw materials and advanced production technology, the products have the advantages of low sodium oxide, high conversion rate and fine particle morphology.
Application: all kinds of abrasives, abrasives and various wear-resisting filler, various ceramic and refractory alumina micro-powder, high purity structure ceramics, electronic components, high frequency insulating porcelain.
| Brand | Chemical composition（%） | α-Al2O3 | Effective density | Primary crystal size | ||||
| Al2O3 ≥ | SiO2 ≤ | Fe2O3≤ | Na2O≤ | L.O.I≤ | % ≥ | ≥ | μm | |
| AC-200MS | 99.0 | 0.10 | 0.04 | 0.2 | 0.2 | 93 | 3.93 | 2.5±1 |
| AC-200MS | 99.0 | 0.10 | 0.04 | 0.2 | 0.2 | 94 | 3.93 | 4±1 |
| Brand | Chemical composition（%） | α-Al2O3 | Particle size | ||||
| Al2O3≥ | SiO2≤ | Fe2O3≤ | Na2O≤ | L.O.I≤ | %≥ | μm | |
| ACG-200MS | 99.0 | 0.20 | 0.04 | 0.2 | 0.2 | 92 | 1-2 |
| ACG-200MS | 99.0 | 0.20 | 0.04 | 0.2 | 0.2 | 93 | 3-5 |
Fine Powder Of Low Soda Calcined Aluminua (Tunnel Kiln)Fine Powder Of Low Soda Calcined Alumina
Characteristics: high purity, high thermal stability, reasonable particle size distribution, good uniformity.
Application: high-grade refractory materials, high-grade ceramic products, electronic ceramics, functional ceramics, etc.
Characteristics: the products have the advantages of high conversion rate, controllable crystal morphology, good thermal shock resistance, stable high temperature performance and stable shrinkage rate of products.
Application: it is widely used in advanced refractories, structural ceramics, functional ceramics, metal composite ceramics, thermal conductive ceramics and other fields.
| Brand | Chemical composition（%） | α-Al2O3 | BET | Particle size | ||||
| Al2O3≥ | SiO2≤ | Fe2O3≤ | Na2O≤ | L.O.I≤ | %≥ | m2/g | μm | |
| AC-10LS | 99.5 | 0.1 | 0.04 | 0.1 | 0.2 | 93 | 4-7 | ≤1 |
| T1 | 99.5 | 0.1 | 0.04 | 0.1 | 0.1 | 95 | 1.6-2.0 | 2.5-3.2 |
| T2 | 99.5 | 0.1 | 0.04 | 0.1 | 0.1 | 95 | 1.2-1.5 | 4.0-5.5 |
| T3 | 99.5 | 0.1 | 0.04 | 0.1 | 0.1 | 95 | 1.3-1.6 | 3.5-4.5 |
| T4 | 99.5 | 0.1 | 0.04 | 0.1 | 0.1 | 95 | 1.5-3.5 | 2.0-3.0 |
