| 摘要 |
The coating has a porosity >15% by volume and contains 40-80% by wt of oxidation catalyst; at least 10% by wt of alkaline (Na or K) silicate and a filler such as silica, zinc silicate or zinc aluminate. The oxidation catalyst is selected from the oxo- cmpds. of Zr, T1, V, Cr, Mn, Fe or Ni. The oxidation catalyst has a specific surface area of at least 10.0 m2/g. |
