{"product_id":"jg-finneran-associates-ptfe-silicone-preassembled-screw-caps-1","title":"JG Finneran Associates PTFE\/Silicone Preassembled Screw Caps","description":"\u003ch4\u003e\u003cstrong\u003eJG Finneran Associates PTFE\/Silicone Preassembled Screw Caps\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eJG Finneran Associates PTFE\/Silicone Preassembled Screw Caps are designed for sealing chromatography vials to ensure sample integrity during storage and analysis. These caps provide a secure, leak-resistant seal for laboratory vials, facilitating reliable sample handling in automated and manual workflows. By combining the chemical resistance of PTFE with the resealability of silicone, they protect sensitive samples from contamination and evaporation.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePreassembled design reduces handling time and the risk of liner contamination during preparation.\u003c\/li\u003e\n\u003cli\u003eDual-layer septa construction provides a chemical barrier alongside excellent resealing properties.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard screw-thread vials used in high-performance liquid chromatography (HPLC) and gas chromatography (GC).\u003c\/li\u003e\n\u003cli\u003eEngineered for consistent performance with robotic autosamplers and high-throughput laboratory systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSample preparation and containment for HPLC and GC analysis.\u003c\/li\u003e\n\u003cli\u003eSecure storage of volatile organic compounds and sensitive chemical reagents.\u003c\/li\u003e\n\u003cli\u003eAutomated sampling workflows in analytical chemistry and pharmaceutical research.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSepta Material: PTFE and Silicone\u003c\/li\u003e\n\u003cli\u003eClosure Type: Screw Thread\u003c\/li\u003e\n\u003cli\u003eAssembly: Pre-inserted liner\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eDisclaimer\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eUsers should verify chemical compatibility between the PTFE\/Silicone liner and specific solvents or aggressive chemicals before use.\u003c\/p\u003e","brand":"JG Finneran Associates","offers":[{"title":"Screw Cap \/ Agilent or other robotic arm autosampler \/ 9 mm \/ PTFE, Silicone \/ Screw Cap \/ Black \/ Pack of 1000 \/ New - Unopened (Sealed)","offer_id":54212161929543,"sku":"12453010","price":115.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/7245\/8055\/files\/convert_5eabc344-2555-49df-b242-774edd730227.png?v=1782198352","url":"https:\/\/checkout.wasteless.bio\/en-us\/products\/jg-finneran-associates-ptfe-silicone-preassembled-screw-caps-1","provider":"Wasteless Bio","version":"1.0","type":"link"}