{"product_id":"microcentrifuge-tubes-gcm-12-ad2","title":"Rotor Cavity Sleeves for GCM-12 \u0026 GCM-24 Micro Centrifuges, 0.2mL \u0026 0.5mL Tube Adapters — 4 Options, Per Pack | Globe Scientific","description":"\u003ch2\u003eRotor Cavity Sleeves for GCM-12 \u0026amp; GCM-24 Series Micro Centrifuges — 0.2mL \u0026amp; 0.5mL Adapters, Sold Per Pack\u003c\/h2\u003e\n\u003cp\u003eThese \u003cstrong\u003eGlobe Scientific Rotor Cavity Sleeves\u003c\/strong\u003e convert the standard rotor cavities of GCM-12 and GCM-24 series micro centrifuges to accept smaller 0.2mL or 0.5mL microcentrifuge and PCR tubes. Ideal for spinning down PCR reactions, pelleting small-volume nucleic acid preps, and consolidating quick-spin protocols on a single instrument without buying a dedicated rotor.\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\u003eRotor Cavity Sleeve \/ Tube Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Size Accepted\u003c\/td\u003e\n\u003ctd\u003e0.2mL or 0.5mL microcentrifuge tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Instruments\u003c\/td\u003e\n\u003ctd\u003eGCM-12 and GCM-24 Series Micro Centrifuges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eMolded polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eN\/A — slip-in cavity insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterility\u003c\/td\u003e\n\u003ctd\u003eNon-sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack Size\u003c\/td\u003e\n\u003ctd\u003eSet sufficient to convert the full rotor (one pack per listed SKU)\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\u003e0.2mL for GCM-12 — Bag of 12\u003c\/td\u003e\n\u003ctd\u003eGCM-12-AD2\u003c\/td\u003e\n\u003ctd\u003e$50.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.5mL for GCM-12 — Bag of 12\u003c\/td\u003e\n\u003ctd\u003eGCM-12-AD5\u003c\/td\u003e\n\u003ctd\u003e$50.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.2mL for GCM-24 — Bag of 24\u003c\/td\u003e\n\u003ctd\u003eGCM-24-AD2\u003c\/td\u003e\n\u003ctd\u003e$93.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0.5mL for GCM-24 — Bag of 24\u003c\/td\u003e\n\u003ctd\u003eGCM-24-AD5\u003c\/td\u003e\n\u003ctd\u003e$93.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eQuick spin-down of PCR reactions in 0.2mL tubes before thermal cycling\u003c\/li\u003e\n\u003cli\u003ePelleting cells or precipitates in 0.5mL microcentrifuge tubes\u003c\/li\u003e\n\u003cli\u003eConsolidating small-volume nucleic acid and protein preps on one rotor\u003c\/li\u003e\n\u003cli\u003eCollecting condensate and reagents at tube bottoms after vortexing\u003c\/li\u003e\n\u003cli\u003eRunning mixed tube-size workflows on a single GCM micro centrifuge\u003c\/li\u003e\n\u003cli\u003eBringing down beads and resin slurries in low-volume assay prep\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\u003eGood\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\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetonitrile\u003c\/td\u003e\n\u003ctd\u003eLimited — wipe spills promptly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eOrder from labsupplies.com, an authorized Globe Scientific dealer shipping from US inventory. Packaging carries lot numbers that support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our team for quotes on multi-rotor or facility-wide orders.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhich centrifuges do these sleeves fit?\u003c\/h3\u003e\n\u003cp\u003eEach SKU is matched to a specific instrument family: the GCM-12-AD sleeves fit GCM-12 series rotors, and the GCM-24-AD sleeves fit GCM-24 series rotors. Select the option that matches your micro centrifuge model.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between the 0.2mL and 0.5mL options?\u003c\/h3\u003e\n\u003cp\u003eThe 0.2mL adapters size the rotor cavity down for thin-wall PCR and 0.2mL tubes, while the 0.5mL adapters accept standard 0.5mL microcentrifuge tubes. Choose by the tube format you run most often.\u003c\/p\u003e\n\u003ch3\u003eHow many sleeves come in a pack?\u003c\/h3\u003e\n\u003cp\u003eEach listed SKU is supplied as a set sized to convert the rotor positions for that instrument family, sold as one pack at the per-pack price shown above.\u003c\/p\u003e\n\u003ch3\u003eAre the sleeves chemically resistant to solvents?\u003c\/h3\u003e\n\u003cp\u003eThey handle aqueous buffers, dilute acids and bases, and alcohols well. Aromatic and chlorinated solvents are not recommended, and acetonitrile contact should be brief with prompt cleanup.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Rotor Cavity Sleeves for GCM-12 \u0026 GCM-24 Series Micro Centrifuges\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"description\": \"Rotor cavity sleeves that convert GCM-12 and GCM-24 micro centrifuge rotors for 0.2mL or 0.5mL microcentrifuge tubes.\",\n  \"sku\": [\"GCM-12-AD2\", \"GCM-12-AD5\", \"GCM-24-AD2\", \"GCM-24-AD5\"],\n  \"offers\": {\n    \"@type\": \"AggregateOffer\",\n    \"priceCurrency\": \"USD\",\n    \"lowPrice\": \"50.60\",\n    \"highPrice\": \"93.00\",\n    \"offerCount\": \"4\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"labsupplies.com\"}\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\": \"Which centrifuges do these sleeves fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each SKU is matched to a specific instrument family: the GCM-12-AD sleeves fit GCM-12 series rotors, and the GCM-24-AD sleeves fit GCM-24 series rotors. Select the option that matches your micro centrifuge model.\"}},\n    {\"@type\": \"Question\", \"name\": \"What is the difference between the 0.2mL and 0.5mL options?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 0.2mL adapters size the rotor cavity down for thin-wall PCR and 0.2mL tubes, while the 0.5mL adapters accept standard 0.5mL microcentrifuge tubes. Choose by the tube format you run most often.\"}},\n    {\"@type\": \"Question\", \"name\": \"How many sleeves come in a pack?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each listed SKU is supplied as a set sized to convert the rotor positions for that instrument family, sold as one pack at the per-pack price shown above.\"}},\n    {\"@type\": \"Question\", \"name\": \"Are the sleeves chemically resistant to solvents?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"They handle aqueous buffers, dilute acids and bases, and alcohols well. 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