| 摘要 |
Accelerator comprises an aqueous dispersion containing 25-40 wt.% aluminum sulfate, a further aluminum compound and magnesium sulfate as inorganic stabilizer. The aluminum sulfate is present in an amount such that the molar ratio of aluminum to sulfate is 1.35-1.70. An independent claim is also included for a hardened layer produced by applying gunned concrete or mortar with the above accelerator. |
