|
种类 性能 |
耐火球 HQ-RF-1 |
刚玉球 HQ-RF-2 |
低硅球 HQ-RF-3 | |
|
化学成份 % |
Al2O3 |
30-90 |
90-98 |
≥99 |
|
SiO2 |
10-70 |
0.5-5.0 |
≤0.3 | |
|
Fe2O3 |
≥1450 |
≥1750 |
≥1850 | |
|
耐火度，℃ |
≤1 |
≤0.5 |
≤0.1 | |
|
耐急变温差，℃ |
600 |
800 |
800 | |
|
抗压强度，N |
100-20000依品种和规格而异 | |||
|
莫氏硬度，scal |
≥7 |
≥8 |
≥9 | |
|
耐酸度,% |
≥95 |
≥98 |
≥98 | |
|
耐碱度,% |
≥85 |
≥95 |
≥98 | |
|
堆重,kg/m3 |
1200-1600 |
1800-2000 |
2000-2200 | |
|
直径r,Φ |
6 |
8 |
10 |
13 |
16 |
20 |
25 |
30 |
38 |
50 |
60 |
75 |
|
直径允差,mm |
±1.0 |
±1.5 |
±2.0 |
±3.0 | ||||||||
|
开孔孔径e,mm |
2-3 |
3-5 |
5-8 |
8-10 | ||||||||
