Al2O3+SiO2
|
Al2O3
|
SiO2
|
Fe2O3
|
CaO
|
MgO
|
K2O+Na2O
|
>92%
|
22-30%
|
68-73%
|
<1%
|
<1.5%
|
<2.5%
|
<4%
|
指标
|
数值
|
吸水率 (%)
|
<0.5
|
堆比重(kg/m3)
|
1.3-1.4
|
毛比重(kg/m3)
|
2.2-2.35
|
最高操作温度(℃)
|
982
|
莫氏硬度(scale)
|
>6.8
|
尺寸
|
抗压强度(公斤/粒)
|
抗压强度(牛顿/粒)
|
3mm (1/8”)
|
>28
|
>275
|
6mm (1/4”)
|
>55
|
>540
|
13mm (1/2”)
|
>170
|
>1670
|
19mm (3/4”)
|
>430
|
>4210
|
25mm (1”)
|
>635
|
>6220
|
38mm (1.5”)
|
>910
|
>8920
|
50mm (2”)
|
>1000
|
>9800
|
直径
|
Φ6
|
Φ8
|
Φ10
|
Φ13
|
Φ16
|
Φ20
|
Φ25
|
Φ30
|
Φ38
|
Φ50
|
Φ60
|
Φ75
|
直径允差
mm
|
±1.0
|
±1.5
|
±2.0
|
±3.0
|
||||||||
开孔孔径
mm
|
2-3
|
3-5
|
5-8
|
8-10
|