Sealing cap for a container closure and container closure comprising such a sealing cap

A container closure comprising:

• a container socket base wherein the container socket base is a lid for a container opening formed in a container wall, the lid comprising a bung socket which is disposed in a lid disk of the lid and which penetrates the lid disk of the lid;
• a sealing cap comprising a sealing cap lid disk which has a fastening means disposed on an underside of the sealing cap lid disk, the sealing cap lid disk provided with a snap-lock means for forming a snap-lock connection with a bung plug;
• and
• an edge skirt disposed at the circumference of the sealing cap lid disk and connected to the sealing cap lid disk via a predetermined breaking means, wherein the sealing cap lid disk has a support means for supporting the sealing cap lid disk on the container socket base, the support means being disposed radially inside adjacent to the predetermined breaking means on the underside of the sealing cap lid disk, and wherein the support means rests on a top of the lid disk of the lid and the edge skirt is spaced apart from the top of the lid disk of the lid.