A paperboard packaging container for bulk solids, said packaging container comprising a container body comprising a container wall extending from a container bottom edge to a container body opening in a height direction of said container, and a closure arrangement comprising a lid, said container wall having an inner surface facing towards an inner compartment in said packaging container and an outer surface facing away from said inner compartment, said container body having an opening edge at said container body opening, and an upper reinforcing rim being applied to said container body at said container body opening, said upper reinforcing rim extending along said opening edge and defining a perimeter of a container access opening, wherein - said upper reinforcing rim has an extension in said height direction of said container and comprises a lower edge facing towards said container bottom and an upper edge facing away from said container bottom; - said upper edge of said upper reinforcing rim comprises a first abutment surface; - said lid comprises an inner lid surface facing towards said container bottom when said lid is in a closed position on said container access opening and an outer lid surface facing away from said container bottom when said lid is in a closed position on said container access opening; - said inner lid surface comprises a second abutment surface; and wherein - said closure arrangement further comprises a frame structure, said frame structure being applied to said packaging container at said container body opening edge and being mechanically connected to said upper reinforcing rim, said frame structure forming a lid part, said lid part constituting said lid or being a part of said lid, said frame structure and said lid part being connected by a hinge, characterized in that - said upper reinforcing rim is joined to said inner surface of said container wall by means of a weld seal, said weld seal extending around said container body opening; - said first abutment surface on said upper reinforcing rim is arranged to abut against said second abutment surface on said lid when said lid is in said closed position on said container access opening and to form a seal between said upper reinforcing rim and said lid when said lid is in said closed position over said container access opening; and that - said closure arrangement comprises a locking arrangement being configured to maintain said lid in a closed position at said container access opening. - said upper reinforcing rim has an extension in said height direction of said container and comprises a lower edge facing towards said container bottom and an upper edge facing away from said container bottom; - said upper edge of said upper reinforcing rim comprises a first abutment surface; - said lid comprises an inner lid surface facing towards said container bottom when said lid is in a closed position on said container access opening and an outer lid surface facing away from said container bottom when said lid is in a closed position on said container access opening; - said inner lid surface comprises a second abutment surface; and wherein - said closure arrangement further comprises a frame structure, said frame structure being applied to said packaging container at said container body opening edge and being mechanically connected to said upper reinforcing rim, said frame structure forming a lid part, said lid part constituting said lid or being a part of said lid, said frame structure and said lid part being connected by a hinge, characterized in that - said upper reinforcing rim is joined to said inner surface of said container wall by means of a weld seal, said weld seal extending around said container body opening; - said first abutment surface on said upper reinforcing rim is arranged to abut against said second abutment surface on said lid when said lid is in said closed position on said container access opening and to form a seal between said upper reinforcing rim and said lid when said lid is in said closed position over said container access opening; and that - said closure arrangement comprises a locking arrangement being configured to maintain said lid in a closed position at said container access opening.