该制品采用高纯电熔刚玉作基料加入烧结板状刚玉细粉,用超细氧化铝细粉结合,经高压高温烧成,制品纯度高,具有耐高温抗氧化腐蚀,热稳定性好。广泛用于石化、电子、陶瓷、磁性窑炉内衬材料。
The high-purity fused alumina products used for base material joined tabular alumina powder sintering,with ultrafine powder of alumina,the high-pressure high-temperature firing,manufactures high purity,anti-oxidation of high temperature corrosion-resistant,thermal stability.widely used in
项目:高刚玉制品 |
GYZ-99 |
GYZ-96 |
体积密度(g/m3)≥ |
3.2 |
3.0 |
显气孔率%≤ |
18 |
20 |
常温耐压强度(Mpa)≥ |
70 |
65 |
0.2Mpa符重软化温度℃≥ |
1750 |
1700 |
长期使用温度℃≥ |
1700 |
1700 |
Al2O3%≥ |
99 |
96 |
SiO2%≤ |
/ |
2.8 |
Fe2O3%≤ |
0.05 |
0.5 |