| 摘要 |
Mastics are provided in which separately or in combination the mastic comprises: 1) a) alkaline earth metal silicate refractory fibres; and, b) colloidal silica having a pH of below 8. 2) a) alkaline earth metal silicate fibres; and b) a non-ionic polymer viscosity modifier. 3) a) alkaline earth metal silicate fibres; and b) a multi-dentate calcium-complexing ligand.</SD OAB>
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