| 主权项 |
1. A vessel cap made of metal or plastic for a vessel for receiving foods or beverages, comprising a seal insert made of a seal material which comprises at least one polymer mixed with further substances, wherein the seal material comprises no polyvinyl chloride (PVC), wherein the seal material is composed such that the seal insert withstands a sterilization at temperatures of above 100° C. and up to 132° C., and wherein the seal material, in a dynamic mechanical thermal analysis (DMTA), demonstrates a heating curve for the phase angle tan (delta) the inflection point of which lies above the required sterilization temperature. |
