{"product_id":"globe-scientific-vial-9020002cap-sr-nr","title":"11mm Snap Cap for 2mL Chromatography Vials, PTFE\/Silicone Septum — Natural, Snap Ring, 100\/Pack | Globe Scientific","description":"\u003ch2\u003eDiamondPure 11mm Snap Caps for 2mL Chromatography Vials, Natural Cap with Red PTFE\/Silicone Septum, 100\/Pack\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDiamondPure Snap Cap for 2mL Chromatography Vials\u003c\/strong\u003e delivers a leak-resistant 11mm snap ring closure paired with a red PTFE\/silicone septum for reliable HPLC, GC, and LC-MS autosampler workflows. Bonded layers resist solvent attack while preserving a clean seal for sample integrity during automated injection runs.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSnap cap for 2mL chromatography vial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e11mm finish (fits 2mL standard-opening vials)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene cap, PTFE\/silicone septum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eSnap ring closure, natural cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eNot applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-sterile and sterile options available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003e100 caps per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Options\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e9020002CAP-SR-NR — Bag of 100\u003c\/td\u003e\n\u003ctd\u003e9020002CAP-SR-NR\u003c\/td\u003e\n\u003ctd\u003e$27.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9020002CAP-SR-NR-S — Bag of 100\u003c\/td\u003e\n\u003ctd\u003e9020002CAP-SR-NR-S\u003c\/td\u003e\n\u003ctd\u003e$38.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSealing 2mL autosampler vials for HPLC and UHPLC injection sequences\u003c\/li\u003e\n\u003cli\u003eGC sample containment with septum penetration for headspace and liquid sampling\u003c\/li\u003e\n\u003cli\u003eLC-MS sample storage where low-extractable septa protect trace analytes\u003c\/li\u003e\n\u003cli\u003ePharmaceutical QC and stability sample archiving\u003c\/li\u003e\n\u003cli\u003eEnvironmental and food-safety residue analysis\u003c\/li\u003e\n\u003cli\u003eSterile sample handling in regulated method validation workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute acids\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute bases\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlcohols\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eGood (PTFE-faced surface contact)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents\u003c\/td\u003e\n\u003ctd\u003eFair to good — limit prolonged exposure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eFair — short contact only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003ePurchase through labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Each pack carries lot numbers that support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available for high-volume chromatography programs.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat vial finish do these snap caps fit?\u003c\/h3\u003e\n\u003cp\u003eThey fit standard 11mm crimp\/snap-finish 2mL chromatography vials. The snap ring secures over the bead without tooling, making them ideal for fast manual or robotic capping.\u003c\/p\u003e\n\u003ch3\u003eWhat is the septum material and why does it matter?\u003c\/h3\u003e\n\u003cp\u003eThe septum is a bonded red PTFE\/silicone layer. PTFE faces the sample for low extractables and broad solvent inertness, while silicone provides resealing after needle puncture.\u003c\/p\u003e\n\u003ch3\u003eWhich option should I choose for sterile workflows?\u003c\/h3\u003e\n\u003cp\u003eSelect SKU 9020002CAP-SR-NR-S, the sterile version. Use the non-sterile 9020002CAP-SR-NR for routine analytical sample handling where sterility is not required.\u003c\/p\u003e\n\u003ch3\u003eAre these caps compatible with autosampler needles?\u003c\/h3\u003e\n\u003cp\u003eYes. The PTFE\/silicone septum is designed for single needle penetration in most autosamplers; for repeated injections, use a fresh vial to maintain seal integrity.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"DiamondPure Snap Cap for 2mL Chromatography Vial, 11mm, Natural Cap, Red PTFE\/Silicone Septum\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"description\": \"11mm snap ring caps for 2mL chromatography vials with natural cap and red PTFE\/silicone septum. Non-sterile and sterile options, 100 caps per pack.\",\n  \"offers\": {\n    \"@type\": \"AggregateOffer\",\n    \"priceCurrency\": \"USD\",\n    \"lowPrice\": \"27.60\",\n    \"highPrice\": \"38.40\",\n    \"offerCount\": \"2\",\n    \"offers\": [\n      {\"@type\": \"Offer\", \"sku\": \"9020002CAP-SR-NR\", \"price\": \"27.60\", \"priceCurrency\": \"USD\"},\n      {\"@type\": \"Offer\", \"sku\": \"9020002CAP-SR-NR-S\", \"price\": \"38.40\", \"priceCurrency\": \"USD\"}\n    ]\n  }\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\", \"name\": \"What vial finish do these snap caps fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"They fit standard 11mm crimp\/snap-finish 2mL chromatography vials. 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