(EN) The invention concerns: a multicomponent synthetic resin adhesive for the securing field, in particular for gluing an anchorage element in a (for example, bore-) hole or gap, with fillers, the adhesive containing a biogenic fluid thinning agent (for example, a vegetable oil, such as in particular castor oil, or a polyol); use of the synthetic resin adhesive for bedding in mortar anchorage means in holes or gaps; method or process for bedding in mortar anchorage elements in holes or gaps, the synthetic resin adhesive being used; and use of biogenic fillers for producing a synthetic resin adhesive of this type.