{"product_id":"tube-caps-116132","title":"Test Tube Cap Plugs, Santoprene \u0026 Multi-Fit — 12\/13mm \u0026 16mm, 24 Color Options, 1000\/Pack | Globe Scientific","description":"\u003ch2\u003eSantoprene \u0026amp; Multi-Fit Test Tube Cap Plugs, 12\/13mm and 16mm — 24 Color Options, 1000\/Pack\u003c\/h2\u003e\n\u003cp\u003eSeal and color-code your sample tubes with \u003cstrong\u003eGlobe Scientific Cap Plugs\u003c\/strong\u003e, push-in closures engineered for vacuum tubes and standard glass or plastic test tubes. Lab teams rely on them for specimen identification, secure transport, and sample integrity during centrifugation and short-term storage.\u003c\/p\u003e\n\u003cp\u003eSantoprene thermoplastic elastomer formats deliver a tight, reusable grip across 12\/13mm and 16mm tubes, while multi-fit and high-grip options accommodate mixed-diameter racks. Eight color choices support fast visual sorting at the bench.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003ePush-in Cap Plug \/ Tube Closure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVolume\/Size\u003c\/th\u003e\n\u003ctd\u003e11mm, 12\/13mm, 16mm; multi-fit for 10\/12\/13\/16mm tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSantoprene TPE (113150\/113151); plug-grade polymer (multi-fit, high-grip, natural)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClosure\/Cap\u003c\/th\u003e\n\u003ctd\u003ePush-in plug style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGraduation\u003c\/th\u003e\n\u003ctd\u003eNot applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSterility\u003c\/th\u003e\n\u003ctd\u003eNon-sterile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Size\u003c\/th\u003e\n\u003ctd\u003eSantoprene: 1000\/Pack; multi-fit, high-grip, and natural: per pack as listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eAvailable Options\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16mm High Grip, White — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e116132\u003c\/td\u003e\n\u003ctd\u003e$65.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16mm Santoprene, Yellow — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113151Y\u003c\/td\u003e\n\u003ctd\u003e$287.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16mm Santoprene, White — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113151W\u003c\/td\u003e\n\u003ctd\u003e$287.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16mm Santoprene, Red — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113151R\u003c\/td\u003e\n\u003ctd\u003e$287.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16mm Santoprene, Lavender — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113151L\u003c\/td\u003e\n\u003ctd\u003e$287.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16mm Santoprene, Black — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113151K\u003c\/td\u003e\n\u003ctd\u003e$287.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16mm Santoprene, Green — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113151G\u003c\/td\u003e\n\u003ctd\u003e$287.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16mm Santoprene, Blue — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113151B\u003c\/td\u003e\n\u003ctd\u003e$287.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16mm Santoprene, Gray — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113151A\u003c\/td\u003e\n\u003ctd\u003e$287.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\/13mm Santoprene, Yellow — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113150Y\u003c\/td\u003e\n\u003ctd\u003e$286.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\/13mm Santoprene, White — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113150W\u003c\/td\u003e\n\u003ctd\u003e$286.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\/13mm Santoprene, Red — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113150R\u003c\/td\u003e\n\u003ctd\u003e$286.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\/13mm Santoprene, Lavender — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113150L\u003c\/td\u003e\n\u003ctd\u003e$286.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\/13mm Santoprene, Black — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113150K\u003c\/td\u003e\n\u003ctd\u003e$286.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\/13mm Santoprene, Green — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113150G\u003c\/td\u003e\n\u003ctd\u003e$286.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\/13mm Santoprene, Blue — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113150B\u003c\/td\u003e\n\u003ctd\u003e$286.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\/13mm Santoprene, Gray — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e113150A\u003c\/td\u003e\n\u003ctd\u003e$286.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11mm, Natural — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e112430\u003c\/td\u003e\n\u003ctd\u003e$55.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-Fit 10-16mm, Yellow — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e5529Y\u003c\/td\u003e\n\u003ctd\u003e$58.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-Fit 10-16mm, White — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e5529W\u003c\/td\u003e\n\u003ctd\u003e$58.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-Fit 10-16mm, Red — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e5529R\u003c\/td\u003e\n\u003ctd\u003e$58.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-Fit 10-16mm, Lavender — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e5529L\u003c\/td\u003e\n\u003ctd\u003e$58.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-Fit 10-16mm, Green — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e5529G\u003c\/td\u003e\n\u003ctd\u003e$58.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-Fit 10-16mm, Dark Blue — Bag of 1000\u003c\/td\u003e\n\u003ctd\u003e5529DB\u003c\/td\u003e\n\u003ctd\u003e$58.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSealing vacuum blood collection tubes after sample draw\u003c\/li\u003e\n\u003cli\u003eColor-coding specimens by patient, panel, or processing batch\u003c\/li\u003e\n\u003cli\u003eClosing 12\/13mm and 16mm glass or plastic test tubes for storage\u003c\/li\u003e\n\u003cli\u003eSecuring tubes during transport between collection and lab benches\u003c\/li\u003e\n\u003cli\u003eMixed-diameter rack standardization using multi-fit plugs\u003c\/li\u003e\n\u003cli\u003eReusable closure for chemistry, hematology, and microbiology workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eReagent Class\u003c\/th\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAromatic solvents\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChlorinated solvents\u003c\/td\u003e\n\u003ctd\u003ePoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eOrder 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 — contact us with volume requirements for a quote.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhich tube diameters fit the Santoprene cap plugs?\u003c\/h3\u003e\n\u003cp\u003eThe 113150 series fits 12\/13mm tubes and the 113151 series fits 16mm tubes. For mixed-diameter racks, the 5529 multi-fit plugs accommodate most 10, 12, 13, and 16mm tubes.\u003c\/p\u003e\n\u003ch3\u003eAre these cap plugs reusable?\u003c\/h3\u003e\n\u003cp\u003eYes. Santoprene TPE plugs provide a durable, resilient seal that withstands repeated insertion and removal, making them well suited for routine bench reuse on compatible tubes.\u003c\/p\u003e\n\u003ch3\u003eAre the cap plugs sterile?\u003c\/h3\u003e\n\u003cp\u003eNo, all options ship non-sterile. They are intended for general specimen handling, storage, and transport rather than aseptic or implant applications.\u003c\/p\u003e\n\u003ch3\u003eWhat pack quantity do the Santoprene options ship in?\u003c\/h3\u003e\n\u003cp\u003eBoth the 12\/13mm and 16mm Santoprene cap plugs are supplied 1000 per pack. 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