FIRE-RESISTANT TWO-COMPONENT MORTAR SYSTEM BASED ON ALUMINOUS CEMENT FOR A FIRE-RESISTANT CHEMICAL FASTENING OF ANCHORS AND POST-INSTALLED REINFORCING BARS AND USE THEREOF

The present invention pertains to a two-component mortar system comprising a curable aqueous-phase aluminous cement component A and an initiator component B in aqueous-phase for initiating the curingprocess, component A further comprising at least one blocking agent selected from the group consisting of phosphoric acid, metaphosphoric acid, phosphorous acid and phosphonic acids, at least one plasticizer and water, and component B comprising an initiator, at least one retarder, at least one mineral filler and water. Moreover, the present invention pertains to a two-component system, which is ready-for-use, for a fire-resistant chemical fastening of anchors and post-installed reinforcing bars in mineral surfaces, such as structures made of brickwork, concrete, pervious concrete or natural stone as well as its use for a fire-resistant chemical fastening of anchors and post-installed reinforcing bars. 本发明涉及耐火性双组分砂浆体系，其包含固化性水相矾土水泥组分A和用于引发固化过程的在水相中的引发剂组分B，组分A进步包含至少种阻断剂，所述阻断剂选自磷酸、偏磷酸、亚磷酸和膦酸；至少种增塑剂和水；和组分B包含引发剂、至少种缓凝剂