|
物理性能 |
化学成份 |
| 外观---------------------------------灰色、颗粒状 |
SiO2 ---------------------------------------70~75% |
| 比重----------------------------------2.2~2.48g/cm3 |
AI2O3---------------------------------------12~16% |
| 莫氏硬度----------------------------5~6 |
Fe2O3--------------------------------------0.1~2.0% |
| 软化点-----------------------------890~1090℃ |
CaO-----------------------------------------0.15~1.5% |
| 熔点 --------------------------------1280~1350℃ |
Na2O --------------------------------------1.0~4.0% |
| PH值--------------------------------6.5~7.5 |
K2O-----------------------------------------1.0~4.0% |
| 水可溶物---------------------------＜0.1% |
烧失量-------------------------------------4.0~8.0% |
| 酸可溶物---------------------------＜2% |
|
