{"product_id":"globe-cap-116152y","title":"Flange Plug Caps, Polyethylene — 12\/13\/16 mm, Yellow, 1000\/Pack | Globe Scientific","description":"\u003ch2\u003eFlange Plug Caps, Yellow Polyethylene — 12, 13 \u0026amp; 16 mm, 1000\/Pack\u003c\/h2\u003e\n\u003cp\u003eThese \u003cstrong\u003eGlobe Scientific Flange Plug Caps\u003c\/strong\u003e deliver a secure push-in snap closure for standard glass and plastic test tubes across three rim diameters. Bright yellow polyethylene supports color-coded sample sorting, specimen storage, and routine tube sealing in clinical, microbiology, and general bench workflows.\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\u003eFlange Plug Cap (push-in closure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (range across variants)\u003c\/td\u003e\n\u003ctd\u003e12 mm, 13 mm, 16 mm tube rim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure\/Cap\u003c\/td\u003e\n\u003ctd\u003eFlange plug, snap-fit \/ push-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eYellow\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\u003e1000 caps per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAvailable Sizes\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003ePrice (per pack of 1000)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003ctd\u003e118127Y\u003c\/td\u003e\n\u003ctd\u003e$36.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13 mm\u003c\/td\u003e\n\u003ctd\u003e118240Y\u003c\/td\u003e\n\u003ctd\u003e$37.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16 mm\u003c\/td\u003e\n\u003ctd\u003e116152Y\u003c\/td\u003e\n\u003ctd\u003e$51.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSealing glass or plastic test tubes for short-term specimen storage\u003c\/li\u003e\n\u003cli\u003eColor-coding sample racks by assay, patient batch, or workflow stage\u003c\/li\u003e\n\u003cli\u003eCapping culture tubes during transport between bench and incubator\u003c\/li\u003e\n\u003cli\u003eClosing serology and hematology tubes in clinical labs\u003c\/li\u003e\n\u003cli\u003ePreventing evaporation and spillage during sample queuing\u003c\/li\u003e\n\u003cli\u003eGeneral-purpose tube closure in teaching and research settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003elabsupplies.com is an authorized Globe Scientific dealer shipping from US inventory. Each pack carries lot numbers to support traceability for CAP-, CLIA-, and ISO 15189-accredited laboratories. Institutional and grant-funded tiered pricing is available — contact our procurement team for volume quotes.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow do I choose between the 12, 13, and 16 mm flange plug caps?\u003c\/h3\u003e\n\u003cp\u003eSelect the size that matches your tube's inner rim diameter. The 12 and 13 mm caps suit small-bore tubes such as serology and microhematocrit formats, while the 16 mm cap fits larger culture and collection tubes.\u003c\/p\u003e\n\u003ch3\u003eAre these caps sterile?\u003c\/h3\u003e\n\u003cp\u003eNo. These flange plug caps are supplied non-sterile. For aseptic procedures, autoclave compatibility depends on your protocol; polyethylene has a limited heat tolerance, so verify before steam sterilizing.\u003c\/p\u003e\n\u003ch3\u003eHow many caps come in each pack?\u003c\/h3\u003e\n\u003cp\u003eEach pack contains 1000 caps, priced per pack. Pricing varies by size, and tiered institutional discounts apply to larger order quantities.\u003c\/p\u003e\n\u003ch3\u003eCan the yellow color be used for sample identification?\u003c\/h3\u003e\n\u003cp\u003eYes. The uniform yellow polyethylene is ideal for color-coded organization, letting technicians distinguish batches, assays, or processing stages at a glance across a tube rack.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Globe Scientific Flange Plug Caps, Yellow Polyethylene, 12\/13\/16 mm\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Globe Scientific\"},\n  \"description\": \"Yellow polyethylene flange plug caps with snap-fit closure for 12, 13, and 16 mm test tubes. 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