高温煅烧氧化铝粉Calcined Alumina (Hign Temperature)
α-Al2O3 是晶型稳定的高纯氧化铝，具有熔点高、硬度大、耐磨性好、机械强度高、电绝缘性好、耐腐等多种优良的理化性能。
我公司α-Al2O3 产品选用长铝公司优质氧化铝原料，经倒焰高温煅烧而成。是制造高纯高铝系列陶瓷，磨料磨具耐火材料的理想原料。已广泛用于火花塞、电子电器元件、高频绝缘瓷和各种高纯刚玉及特种耐火材料等制造行业。
该产品为白色粉末状结晶体，纯度高，α-Al2O3 转化率高，各项理化性能指标达到国外同类产品的先进水平，现执行"YT/T89-1995"标准.
主要理化指标如下：
The product has stable crystalline and high purity, and has some properties such as : high fusing point, high hardness, good resistance to abrasion, high mechinical strength, good electrical insultion and resistance to corrosion etc.
Our α- Al2O3 is calcined in rotary kiln which using high quality raw material. The product is also a perfect raw material for producing series of high purity & alumina ceramics, abrasive and refractory etc.
The product has the form of white powder crystalline with high purity and high inversion rate ofα- Al2O3
Standard YT/T 89-1996 is executed.
| 分类 Type |
牌号 Code |
化学成分% Chemical composition % |
真密度（g/cm3）True Specific Gravity（g/cm3） |
α氧化铝% α-Al2O3 |
| Al2O3 |
杂质含量＜ Impurity＜ |
| SiO2 |
Fe2O3 |
Ma2O |
灼减 |
| 低钠型Low na |
GD-03 |
99.5 |
0.06 |
0.03 |
0.03 |
0.10 |
3.97 |
95 |
| Gd-05 |
99.5 |
0.06 |
0.03 |
0.05 |
0.10 |
3.97 |
95 |
| Gd-10 |
99.3 |
0.08 |
0.04 |
0.10 |
0.10 |
3.96 |
95 |
| Gd-20 |
99 |
0.10 |
0.05 |
0.20 |
0.20 |
3.95 |
93 |