{"product_id":"caplugs-300-7020-w20-histo-click-20-ml-click-top-caps","title":"20 mL Caps, HDPE, White — 300-7020-W20 | 1000\/Bag | Caplugs® Evergreen","description":"\u003ch2\u003eHisto-Click™ 20 mL Click-Top Caps — HDPE, White, 1000\/Bag (300-7020-W20)\u003c\/h2\u003e\n\u003cp\u003eThe Histo-Click™ click-top caps are 20 mL HDPE closures designed to seat securely on compatible histology and specimen containers with an audible click confirmation, supplied non-sterile in bulk (1000\/Bag) for high-throughput laboratory workflows. The white coloration supports labeling and visual identification, while the high-density polyethylene construction delivers reliable chemical resistance for routine specimen handling and tissue processing applications.\u003c\/p\u003e\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\u003e300-7020-W20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\/Size\u003c\/td\u003e\n\u003ctd\u003e20 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClosure Style\u003c\/td\u003e\n\u003ctd\u003eClick-Top (snap\/click closure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-Density Polyethylene (HDPE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eWhite\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\/Bag\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\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCapping histology and tissue specimen containers during fixation and processing\u003c\/li\u003e\n\u003cli\u003eSealing sample vials or containers in anatomical pathology workflows\u003c\/li\u003e\n\u003cli\u003eHigh-volume specimen accessioning where secure, repeatable closure is required\u003c\/li\u003e\n\u003cli\u003eColor-coded container management and visual organization in the lab or storage area\u003c\/li\u003e\n\u003cli\u003eGeneral laboratory container closure where a positive-lock snap cap is preferred\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMaterial \u0026amp; Chemical Resistance\u003c\/h2\u003e\n\u003cp\u003eHigh-density polyethylene (HDPE) provides good general chemical resistance to aqueous solutions, many dilute acids and bases, and a broad range of common laboratory reagents, making it a practical choice for specimen containment and histological fixatives. HDPE is a rigid, durable thermoplastic; however, it is not recommended for autoclaving, and compatibility should be verified when prolonged contact with concentrated oxidizing acids, aromatic solvents, or halogenated solvents is anticipated.\u003c\/p\u003e\n\u003ch2\u003eQuality \u0026amp; Procurement\u003c\/h2\u003e\n\u003cp\u003eMade in USA, Caplugs® Evergreen Histo-Click™ caps are manufactured under ISO 9001 quality management from BPA-free, phthalate-free, latex-free HDPE resin. LabSupplies.com is an authorized dealer and ships from USA inventory, typically same business day for stocking items, with tiered pricing available for institutional and high-volume accounts.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these click-top caps sterile?\u003c\/strong\u003e\u003cbr\u003eNo — the 300-7020-W20 caps are supplied non-sterile in 1000\/Bag bulk packaging, which is standard for most histology and general specimen-handling applications that do not require sterile closures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the click-top closure work?\u003c\/strong\u003e\u003cbr\u003eThe click-top design snaps onto a compatible container with an audible and tactile click, providing a positive-lock indication that the cap is fully seated and helping to minimize the risk of accidental opening during transport or storage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre HDPE caps compatible with common histological fixatives?\u003c\/strong\u003e\u003cbr\u003eHDPE offers good resistance to many aqueous-based fixatives and standard laboratory reagents. For aggressive or concentrated chemical fixatives, it is always advisable to verify compatibility with a small test quantity before committing to full production use, as performance can vary with concentration and contact time.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Histo-Click™ 20 mL Click-Top Caps, HDPE, White, 1000\/Bag\",\"sku\":\"3007020W20E1\",\"mpn\":\"300-7020-W20\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Caplugs® Evergreen\"},\"material\":\"High-Density Polyethylene (HDPE)\",\"color\":\"White\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"59.96\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Are these click-top caps sterile?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No — the caps are supplied non-sterile in 1000\/Bag bulk packaging, which is standard for most histology and general specimen-handling applications that do not require sterile closures.\"}},{\"@type\":\"Question\",\"name\":\"How does the click-top closure work?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The click-top design snaps onto a compatible container with an audible and tactile click, providing a positive-lock indication that the cap is fully seated and helping to minimize the risk of accidental opening during transport or storage.\"}},{\"@type\":\"Question\",\"name\":\"Are HDPE caps compatible with common histological fixatives?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"HDPE offers good resistance to many aqueous-based fixatives and standard laboratory reagents. For aggressive or concentrated chemical fixatives, it is always advisable to verify compatibility with a small test quantity before committing to full production use, as performance can vary with concentration and contact time.\"}}]}\u003c\/script\u003e","brand":"Caplugs® Evergreen","offers":[{"title":"Default Title","offer_id":48580046094568,"sku":"3007020W20E1","price":71.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/300-7020-W20_02.jpg?v=1779410311","url":"https:\/\/labsupplies.com\/products\/caplugs-300-7020-w20-histo-click-20-ml-click-top-caps","provider":"LabSupplies.com","version":"1.0","type":"link"}