{"product_id":"heathrow-fold-snap-tube-rack-13mm","title":"Heathrow Scientific Fold \u0026 Snap Test Tube Rack - HS243073 Series - 90-Place, 13mm, Autoclavable","description":"\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBulky tube racks take up valuable bench and storage space — and flimsy designs flex, tip, and crack under autoclave conditions. The Heathrow Scientific Fold \u0026amp; Snap Test Tube Rack solves both problems at once. It ships completely flat in a single piece and snaps into its rigid 90-well configuration in seconds without tools. Once assembled, the polypropylene frame holds its shape through repeated autoclave cycles and withstands full immersion in water baths — making it one of the most space-efficient, versatile racks available for 13mm tube workflows.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDesigned for 5–10 mL tubes with 13mm well diameter, each rack holds 90 tubes in a compact 9.6 × 4.1 × 2.4 in footprint. The open-well design ensures uniform temperature exposure during incubations. Available in Blue, White, Red, and Yellow for color-coded sample organization across experiments or users.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eFlat-Pack Storage and Shipping:\u003c\/strong\u003e Ships and stores as a single flat polypropylene sheet — dramatically reduces storage volume. Snap together on demand in seconds, no tools required.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eAutoclavable Polypropylene:\u003c\/strong\u003e Withstands standard autoclave cycles at 121°C — sterilize between uses without warping, cracking, or discoloration.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWater Bath Compatible:\u003c\/strong\u003e Stable base design prevents tipping during temperature-controlled incubations — holds all 90 tubes upright in full water bath immersion.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eOpen Well Design for Uniform Incubation:\u003c\/strong\u003e Exposed tube sides allow consistent heat and gas exchange — samples across all 90 positions heat and cool at the same rate.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e4 Colors for Sample Tracking:\u003c\/strong\u003e Blue, White, Red, and Yellow allow different experiments, sample sets, or users to each use a designated color — eliminates mix-ups in shared labs.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e90-Place High Capacity:\u003c\/strong\u003e Holds 90 × 13mm tubes in a 9.6 × 4.1 in footprint — maximizes bench utilization during high-throughput workflows without crowding the workspace.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHS243073B, HS243073W, HS243073R, HS243073Y\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeathrow Scientific\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Wells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWell Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Tube Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–10 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.6 x 4.1 x 2.4 in (24.5 x 10.5 x 6.3 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Each\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAutoclavable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlue, White, Red, Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.35 lb (0.16 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMicrobiology and cell culture — benchtop holding of 5–10 mL culture tubes during inoculation, incubation, and sampling steps\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWater bath incubations requiring a stable, submersible rack that holds tubes fully upright at temperature without tipping\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eClinical and diagnostic labs using color-coded rack assignment by sample type or patient batch to prevent cross-sample contamination\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTeaching and training labs needing economical, high-capacity tube organization that can be autoclaved between student sessions\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eWhat size tubes fit the HS243073 Fold \u0026amp; Snap rack?\u003cbr\u003e\u003c\/strong\u003eThis rack is designed for 13mm diameter tubes in the 5–10 mL range — standard 10 mL glass culture tubes, 5 mL round-bottom tubes, and similar 13mm-diameter labware fit securely in all 90 wells.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eCan this rack be used fully submerged in a water bath?\u003cbr\u003e\u003c\/strong\u003eYes. The stable polypropylene base and open-well construction make this rack fully compatible with water bath use. Water circulates freely around tubes for uniform heating across all 90 positions.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eHow does the flat-pack assembly work?\u003cbr\u003e\u003c\/strong\u003eThe rack ships as a single flat polypropylene sheet. Fold along the pre-scored lines and snap the connecting tabs into place — the assembled rack locks rigidly and does not flex during use. No tools required.\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003eIs this rack autoclavable?\u003cbr\u003e\u003c\/strong\u003eYes. Polypropylene withstands standard autoclave conditions at 121°C for 20 minutes. The rack can be sterilized between experiments or between users without degradation to the snap joints or well geometry.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHeathrow Scientific manufactures this tube rack from virgin polypropylene for consistent chemical resistance and structural integrity. Each rack is designed to maintain well-diameter consistency across all 90 positions and stable assembly geometry through repeated autoclave and water bath cycles.\u003c\/p\u003e\n\n\u003ch2 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eAcademic and Institutional Pricing\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eLabSupplies.com offers tiered quantity pricing for academic and research institutions. As an authorized dealer, we ship directly from USA inventory.\u003c\/p\u003e","brand":"Heathrow Scientific","offers":[{"title":"Blue","offer_id":48075079123176,"sku":"HS243073B","price":15.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":48075079155944,"sku":"HS243073W","price":13.5,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":48075079188712,"sku":"HS243073R","price":13.5,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":48075079221480,"sku":"HS243073Y","price":13.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/unnamed_4e0b9475-a4c0-4653-9cf0-67bedf0c6ebd.jpg?v=1771817194","url":"https:\/\/labsupplies.com\/products\/heathrow-fold-snap-tube-rack-13mm","provider":"LabSupplies.com","version":"1.0","type":"link"}