An apparatus for molding plastic preforms into plastic containers and blow mold

Device (1) for molding plastic preforms (10) arranged into plastic containers (10a) with at least one on a movable carrier (2) blow-molding station (8), said blow molding station (8) comprises a blow mold (6) for holding a blow mold (4a, having 4b) and said blow mold (6) a first Blasformtragerteil (6a) and a second Blasformtragerteil (6b), wherein the second Blasformtragerteil (6b) (from the first Blasformtragerteil 6a) can be moved away to the blow mold (4a, 4b) for to open the removal of a plastic container (10a) and / or for entering a preform (10) and wherein the second Blasformtragerteil (6b) to the first Blasformtragerteil (6a) is movable to the blow mold (4a, 4b) for converting the to convert the preform (10) in a closed state, wherein the second Blasformtragerteil (6b) has a lower density and / or strength than the first Blasformtragerteil (6a).