{"product_id":"caplugs-240-6388-e30-96-well-microcentrifuge-rack-pp-orange","title":"1.5 mL Tube Racks, HDPE, Orange, Eppendorf® Compatible — 240-6388-E30 | 5\/Pack | Caplugs® Evergreen","description":"\u003ch2\u003e96-Position Microcentrifuge Tube Rack — PP, Orange, 1.5 mL \u0026amp; 2.0 mL Compatible (240-6388-E30)\u003c\/h2\u003e\n\u003cp\u003eThe Caplugs® Evergreen 240-6388-E30 is a 96-position polypropylene microcentrifuge tube rack molded in orange, supplied 5 per pack for organized management of standard 1.5 mL and 2.0 mL microcentrifuge tubes. Its 8 × 12 grid layout matches the SBS microplate footprint at 9 mm center-to-center well spacing, enabling direct integration with automated liquid-handling platforms and 96-channel pipetting workstations that address tubes in plate-coordinate format. Supplied non-sterile and autoclavable at 121 °C, these racks are built for repeated decontamination cycles without dimensional distortion or color loss.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number (MPN)\u003c\/td\u003e\n\u003ctd\u003e240-6388-E30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e96 positions, 8 × 12 grid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWell Spacing\u003c\/td\u003e\n\u003ctd\u003e9 mm center-to-center (SBS microplate footprint)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Capacity\u003c\/td\u003e\n\u003ctd\u003e1.5 mL and 2.0 mL microcentrifuge tubes (11 mm OD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eOrange\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\u003e5\/Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoclave Compatibility\u003c\/td\u003e\n\u003ctd\u003e121 °C \/ 15 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV Decontamination\u003c\/td\u003e\n\u003ctd\u003eCompatible (254 nm standard cycle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Lid\u003c\/td\u003e\n\u003ctd\u003e300-6388 PPC Natural (sold separately, 5\/Pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBPA \/ Phthalates\u003c\/td\u003e\n\u003ctd\u003eBPA-free; no phthalate plasticizers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePCR setup staging: organize pre- and post-amplification tubes in a standard 96-well plate footprint to streamline pipetting workflows\u003c\/li\u003e\n\u003cli\u003eSample archiving and storage: hold labeled 1.5 mL or 2.0 mL tubes in a consistent positional format for biobanking and specimen management\u003c\/li\u003e\n\u003cli\u003eCentrifuge loading preparation: batch-load microcentrifuge tubes efficiently before spinning to minimize handling time\u003c\/li\u003e\n\u003cli\u003eBSL-2 and high-risk sample workflows: orange color convention provides immediate visual identification of biohazard or priority-alert sample sets in mixed-priority environments\u003c\/li\u003e\n\u003cli\u003eAutomated liquid handling: SBS-format grid allows 96-channel pipetting workstations to address tubes directly in plate-coordinate format\u003c\/li\u003e\n\u003cli\u003eBSC and clean-bench organization: UV decontamination compatibility supports biosafety cabinet use between experiments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChemical Resistance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReagent \/ Condition\u003c\/th\u003e\n\u003cth\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAqueous buffers \/ saline\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute acids and bases\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70% ethanol (disinfection wipe-down)\u003c\/td\u003e\n\u003ctd\u003eGood — routine surface contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilute sodium hypochlorite (bleach)\u003c\/td\u003e\n\u003ctd\u003eGood — routine disinfection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcetone \/ chloroform \/ aromatic solvents\u003c\/td\u003e\n\u003ctd\u003eNot recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoclave (121 °C \/ 15 psi)\u003c\/td\u003e\n\u003ctd\u003eCompatible — repeated cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eMade in USA, these racks are manufactured by Caplugs® Evergreen from virgin, BPA-free, phthalate-free polypropylene under ISO 9001 quality management. The orange pigment is compounded directly into the PP matrix — not applied as a surface coating — ensuring permanent color stability through autoclave cycles, alcohol wipe-downs, and UV decontamination without fading or pigment migration. The 240-6388 family spans seven colors (Natural, Blue, Orange, Green, Lavender, Red, and Yellow), enabling complete color-scheme procurement from a single vendor for multi-user and multi-project lab organization. LabSupplies.com is an authorized dealer and ships from USA inventory, with tiered pricing available for institutional, hospital, and grant-funded laboratories.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan these racks be autoclaved between experiments?\u003c\/strong\u003e\u003cbr\u003eYes. The polypropylene construction is fully compatible with standard steam autoclaving at 121 °C \/ 15 psi, making them suitable for repeated decontamination cycles without warping or color degradation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo these racks fit both 1.5 mL and 2.0 mL microcentrifuge tubes?\u003c\/strong\u003e\u003cbr\u003eYes. The 9 mm center-to-center well spacing accommodates standard microcentrifuge tubes with an 11 mm OD, which covers both the 1.5 mL and 2.0 mL format used by Eppendorf® and most compatible tube brands.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs a lid available to cover loaded racks during storage or incubation?\u003c\/strong\u003e\u003cbr\u003eYes. The 300-6388 PPC Natural lid is sold separately in a 5\/Pack and is designed specifically to fit this rack, providing dust protection and allowing stacking of loaded racks.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy choose orange instead of a neutral color?\u003c\/strong\u003e\u003cbr\u003eOrange is a widely recognized visual alert color in clinical and research settings. It is commonly used to flag biohazard samples, BSL-2 culture work, or any tube set requiring priority attention in a mixed-workflow environment — making it easy for staff to distinguish high-risk or high-priority samples at a glance without additional labeling.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"96-Position Microcentrifuge Tube Rack, PP, Orange, 1.5 mL \u0026 2.0 mL Compatible, 5\/Pack — Caplugs® Evergreen 240-6388-E30\",\"sku\":\"2406388E30E1\",\"mpn\":\"240-6388-E30\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"Polypropylene (PP)\",\"color\":\"Orange\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"41.10\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Can these racks be autoclaved between experiments?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. 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