{"product_id":"assorted-kontes-294300-0010-wilmad-ml-1155-700-heavy-wall-recovery-flasks-10-ml-14-20-outer-joint","title":"Assorted KONTES Wilmad Heavy Wall Recovery Flasks 10 ml 14\/20 Outer Joint - Total of 11 Flasks","description":"\u003ch3\u003eAssorted Brand Heavy Wall Glass Recovery Flasks, 10 mL with 14\/20 Standard Taper Outer Joints (KONTES® \/ Wilmad-LabGlass®) – Lot of 11 Flasks\u003c\/h3\u003e\n\u003cp\u003eThis Assorted Brand 10 mL Heavy Wall Recovery Flask lot delivers high-durability, research-grade borosilicate glassware sourced from elite scientific apparatus manufacturers, including Kontes® Glass (Kimble) and Wilmad-LabGlass®. Specifically engineered for vacuum distillation, rotary evaporation, and organic synthesis, these recovery flasks feature a specialized teardrop or pear-shaped geometry that facilitates optimal structural fluid drainage and concentrate reclamation. Each flask is styled with a heavy-walled glass baseline capable of withstanding intense negative pressure differentials without imploding. The top neck features a precision-ground 14\/20 Standard Taper ($TS$) outer joint, ensuring direct mechanical compatibility with standard microscale organic chemistry kits, distillation manifolds, and vacuum adapters. Sourced from verified laboratory equipment overstocks and asset liquidations, this lot of 11 flasks provides an economical solution for academic synthetic chemistry labs, pharmaceutical pilot lines, and specialized extraction setups.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance \u0026amp; Material Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePear-Shaped High-Recovery Geometry: The tapered, pear-shaped interior wall architecture directs all boiling fluids and concentrated residues toward the absolute lower apex of the vessel. This configuration minimizes surface area fluid retention, allowing maximum recovery margins via standard micro-pipettes or syringe needles.\u003c\/li\u003e\n\u003cli\u003eHeavy Wall Structural Integrity: Fabricated with an increased glass wall thickness profile compared to standard boiling flasks. This heavy-duty borosilicate distribution provides superior structural resistance against thermal shock and extreme pressure gradients during deep-vacuum solvent strippings.\u003c\/li\u003e\n\u003cli\u003eType I Class A Borosilicate Glass: Formulated from premium low-expansion borosilicate glass ($33\\text{ expansion}$ standard). This chemical matrix is highly inert, preventing ion leaching and resisting aggressive organic solvents, strong mineral acids, and high-temperature reactive mixtures.\u003c\/li\u003e\n\u003cli\u003ePrecision Ground 14\/20 Joint Matrix: Features a frosted, highly uniform 14\/20 standard taper socket. This precision outer joint establishes a hermetic, leak-free compression seal when mated with standard 14\/20 male inner joints, preventing vapor escape or atmospheric contamination when properly greased or used with PTFE joint sleeves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCatalog Identity \/ Mix: Assorted Premium Stock (Kontes® 442000-0010, Wilmad® LG-7230-102, or exact dimensional equivalents)\u003c\/li\u003e\n\u003cli\u003eVolumetric Capacity: 10 mL Nominal Volume\u003c\/li\u003e\n\u003cli\u003eVessel Configuration: Pear-Shaped \/ Teardrop Recovery Profile (Heavy wall construction)\u003c\/li\u003e\n\u003cli\u003eJoint Specification: 14\/20 Standard Taper ($TS$) Outer Joint (Socket style)\u003c\/li\u003e\n\u003cli\u003eMaterial Profile: Clear Type I, Class A Borosilicate Glass | High-Durability Rounded Apex Base\u003c\/li\u003e\n\u003cli\u003eTotal Lot Quantity: 11 Flasks Total (Cleaned, inspected, and securely wrapped for damage-free transit)\u003c\/li\u003e\n\u003cli\u003eApplication Class: Microscale Organic Synthesis, Rotary Evaporation, Vacuum Distillation, and Sample Concentration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Benefits \u0026amp; Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRotary Evaporation Concentrate Collection: The industry benchmark platform for strip-cleans and solvent removal loops under vacuum where low-volume crystalline residues or essential oils must be scraped or redissolved cleanly.\u003c\/li\u003e\n\u003cli\u003eMicroscale Organic Reaction Staging: Serves as an excellent boiling vessel for refluxing, synthesizing, or storing low-volume organic intermediates within standard 14\/20 glass manifolds.\u003c\/li\u003e\n\u003cli\u003eVacuum Distillation Lines: Designed to manage rapid thermal shifts and intense boiling agitation under vacuum without experiencing mechanical fracturing or joint failure.\u003c\/li\u003e\n\u003cli\u003e**Cost-Effective Facility Staging:** Ideal for university organic chemistry laboratories, research teams, and testing labs looking to stock essential microscale glassware lines without paying single-unit wholesale catalog prices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eAll product names, logos, and brands are property of their respective owners. Items supplied will represent the named industry-standard brands matching the stated technical parameters.\u003c\/small\u003e\u003c\/p\u003e","brand":"Kontes","offers":[{"title":"Default Title","offer_id":49261938901244,"sku":"10137","price":125.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8463\/5132\/files\/assorted-kontes-wilmad-heavy-wall-recovery-flasks-10-ml-1420-outer-joint-total-of-11-flasks-glassware-kontes-623058.jpg?v=1783549701","url":"https:\/\/lifesciencestrading.com\/products\/assorted-kontes-294300-0010-wilmad-ml-1155-700-heavy-wall-recovery-flasks-10-ml-14-20-outer-joint","provider":"Life Sciences Trading","version":"1.0","type":"link"}