网页Aluminum cap and red PTFE/silicone septum, for autosampler vials 12 x 32 mm standard opening silver aluminum seal, O.D. 11 mm, red PTFE/silicone septa; Synonyms: Crimp seals with PTFE/silicone septa; find Supelco-Z291595 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich