Home » News » Vials Septa » 10-425 chromatography vial septa with screw cap Waters Inter-Seal™ bonded caps (inseparable caps and liner) Inter-Seal bonded caps (inseparable caps and liner) black cap, PTFE/silicone septa (with slit), thread for 10-425; find Supelco-29113-U MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.