2. Chemical Analysis
SiO2 | >73% |
Al2O3 | 17-25% |
Fe2O3 | <1.0% |
CaO | <0.5% |
MgO | <0.5% |
K2O+Na2O | 2-4% |
Other | <0.1% |
3. Advantage
1) These tower packings are made from chemical porcelain and have
excellent resistance to acids except in the case of hydrofluoric
acid.
2) Moisture absorption must less than half a percent.
3) The porcelain’s specific gravity is 2.3-2.4g/cm3 and an average heat capacity (between 20°C and 500°C of 0.22
cal/g.°C)
4) BAISHENG ceramic tower packing softening point is 1400°C min.
And they show good thermal shock resistance during repeated cycling
between 20°C and 820 °C
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