Calcined Alumina
1.Ordinary calcined alumina
High quality aluminum hydroxide as raw material, it is calcined by rotary kiln at reasonable calcine temperature.It has the advantages of high conversion rate, crystal stability, high mechanical strength, stable shrinkage rate, wear resistance, corrosion resistance and high temperature resistance.
Application:Various abrasives, abrasives and various wear-resisting filler, various ceramic and refractory alumina micro powder.
Brands | Chemical components %， | α-Al2O3% | Effective density | Primary crystal size | ||||
Al2O3 | SiO2 | Fe2O3 | Na2O | LOI | ≥ | g/cm3 ≥ | D50 um | |
≥ | ≤ | ≤ | ≤ | ≤ | ||||
A-C-30 | 99 | 0.1 | 0.04 | 0.35 | 0.2 | 94 | 3.93 | 4±1 |
A-C-30-A | 99 | 0.1 | 0.04 | 0.35 | 0.2 | 93 | 3.93 | 2.5±1 |
2.Ordinary fine powder of calcined alumina
Characteristics: good sintering performance, stable line shrinkage, narrow particle size and grain size distribution.
Application: refractories, refractory binder, alumina ceramics, glass raw materials, polishing raw materials.
Brands | Chemical components %， | α-Al2O3% | Particle size um | ||||
Al2O3 | SiO2 | Fe2O3 | Na2O | LOI | |||
≤ | ≤ | ≤ | ≤ | ≤ | |||
ACG-2A | 99 | 0.2 | 0.04 | 0.35 | 0.25 | 93 | 1.5-2 |
Low soda calcined alumina (rotary kiln)
1. 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.
Brands | Chemical components %， | α-Al2O3% | Effective density | Primary crystal size | ||||
Al2O3 | SiO2 | Fe2O3 | Na2O | LOI | ≥ | g/cm3 ≥ | D50 um | |
≥ | ≤ | ≤ | ≤ | ≤ | ||||
AC-200MS | 99 | 0.1 | 0.04 | 0.2 | 0.2 | 93 | 3.93 | 2.5±1 |
AC-300MS | 99 | 0.1 | 0.04 | 0.2 | 0.2 | 94 | 3.93 | 4±1 |
2.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.
Brands | Chemical components %， | α-Al2O3% | Primary crystal size | ||||
Al2O3 | SiO2 | Fe2O3 | Na2O | LOI | ≥ | D50 um | |
≥ | ≤ | ≤ | ≤ | ≤ | |||
ACG-200MS | 99 | 0.1 | 0.04 | 0.2 | 0.2 | 92 | 1.0-2.0 |
ACG-300MS | 99 | 0.1 | 0.04 | 0.2 | 0.2 | 93 | 3.0-5.0 |
Fine powder of Low soda calcined aluminua (tunnel kiln)
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.
Brands | Chemical components %， | α-Al2O3% ≥ | BET m2/g | Particle size um | ||||
Al2O3 | SiO2 | Fe2O3 | Na2O | LOI | ||||
≥ | ≤ | ≤ | ≤ | ≤ | ||||
AC-10LS | 99.5 | 0.1 | 0.04 | 0.1 | 0.2 | 93 | 4.0-7.0 | ≤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 |
Application
l Refractories
l Ceramics
l Special Ceramics
l Polishing
