| abstract |
The present invention pertains to a long-term stabilized aqueous initiator composition for initiating setting and hardening of aluminous cement compositions, comprising at least one activator component comprising at least one alkali and/or alkaline metal salt, at least one accelerator component comprising at least one water-soluble alkali and/or alkaline metal salt, at least one retarder selected from the group consisting of citric acid, tartaric acid, lactic acid, salicylic, gluconic acid and mixtures thereof, at least one mineral filler selected from the group consisting of limestone fillers, corundum, dolomite, alkaline- resistant glass, crushed stones, gravels, pebbles and mixtures thereof, at least one thickening agent, and water; to a method for preparing the long-term stabilized aqueous initiator composition as well as to the use of said composition in a system for chemical fastening of anchoring means in mineral surfaces. |