PTFE(Teflon) Labware
Custom PTFE Flask Large Volume 18L Corrosion Resistant Low Background High Purity Chemical Vessel
Item Number : PL-CP229
Price varies based on specs and customizations
- Material
- High-Purity Virgin PTFE
- Nominal Volume
- 18 Liters (Customizable)
- Temperature Range
- -200°C to +260°C
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Product Overview




This high-purity vessel represents the pinnacle of fluoropolymer engineering, specifically designed to address the challenges of large-scale chemical processing and sensitive trace analysis. Constructed from premium-grade polytetrafluoroethylene, this system provides an entirely inert environment, ensuring that even the most aggressive reagents can be contained, mixed, or heated without risking the integrity of the sample or the vessel itself. By leveraging the unique molecular properties of high-density PTFE, the unit offers a non-stick, ultra-smooth interior that prevents cross-contamination and simplifies cleaning protocols in high-throughput environments.
Primarily utilized within semiconductor manufacturing, pharmaceutical synthesis, and advanced environmental testing, the equipment is engineered for large-volume workflows where standard laboratory glassware fails due to fragility or chemical reactivity. Target industries include petrochemical research, nuclear energy development, and specialty chemical production, where the demand for 18L capacities necessitates a robust, shatterproof alternative to traditional borosilicate or quartz options. This unit serves as a critical component in pilot plant operations and high-purity reagent storage, providing a reliable bridge between bench-top research and industrial production.
Reliability is at the core of this system's design. Precision-machined through advanced CNC processes, the vessel maintains structural integrity across a wide thermal gradient, from cryogenic temperatures to sustained high-heat applications. Its thick-walled construction is optimized to resist mechanical stress and material creep, ensuring long-term dimensional stability even when fully loaded with dense chemical media. Procurement teams can trust in the consistent performance of this unit, knowing it has been manufactured to meet the rigorous purity requirements of trace metal analysis and ultra-pure chemical handling.
Key Features
- Ultra-High Purity Fluoropolymer Construction: Fabricated from virgin PTFE, this unit ensures a nearly zero-leach environment, making it ideal for trace element analysis and the handling of ultra-pure reagents without ionic contamination.
- Superior Chemical Inertness: The equipment exhibits universal resistance to nearly all industrial chemicals, including concentrated hydrofluoric acid, aqua regia, and strong organic solvents, protecting the purity of the contents.
- Precision CNC Customization: Each vessel can be tailored to specific process requirements, allowing for custom neck configurations, port placements, and unique geometries that are impossible to achieve with molded alternatives.
- Low Background Noise Performance: Specifically engineered for analytical applications, the material's low background levels ensure that spectroscopic and chromatographic results are not skewed by vessel material interference.
- Exceptional Thermal Stability: This system operates reliably across an extreme temperature range of -200°C to +260°C, permitting use in everything from liquid nitrogen storage to high-temperature reflux reactions.
- Robust Large-Volume Design: The 18L capacity is supported by optimized wall thickness and structural reinforcement, providing the mechanical strength necessary to handle heavy liquid loads safely in an industrial setting.
- Hydrophobic Non-Stick Surface: The inherently low surface energy of the material prevents residues from adhering to the interior walls, ensuring maximum recovery of expensive reagents and reducing cleaning downtime.
- Shatterproof Safety Profile: Unlike traditional glass or ceramic vessels, this unit is virtually unbreakable under normal operating conditions, significantly reducing the risk of hazardous spills and personnel injury in the laboratory.
- Advanced Sealing Compatibility: The neck and ports are precision-threaded to interface seamlessly with high-performance PFA fittings and valves, ensuring a leak-proof and hermetically sealed environment for sensitive reactions.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Semiconductor Wafer Cleaning | Storage and mixing of ultra-pure etchants used in the cleaning of silicon wafers. | Prevents metallic ion leaching into high-purity acids. |
| Trace Metal Analysis | Sample preparation and digestion of environmental or geological samples for ICP-MS. | Minimizes background noise for accurate ppb/ppt detection. |
| Pharmaceutical Synthesis | Large-scale reaction of aggressive chemical intermediates in a sterile, inert environment. | Ensures product purity and resists corrosion from catalysts. |
| Petrochemical Additive Mixing | Blending of corrosive additives and heavy hydrocarbons at elevated temperatures. | High thermal resistance and mechanical durability. |
| Nuclear Waste Processing | Handling of radioactive isotopes and highly acidic waste streams during separation processes. | Material longevity and resistance to radiation-induced degradation. |
| Specialty Chemical Production | Custom batch production of reagents that require zero contact with glass or metallic surfaces. | Complete chemical isolation and bespoke vessel design. |
| Cryogenic Material Storage | Long-term containment of biological or chemical samples within liquid nitrogen environments. | Remains ductile and crack-resistant at cryogenic temperatures. |
Technical Specifications
For the specific configuration of the custom PTFE flask, the following specifications apply to the base model PL-CP229. Please note that all dimensions and features are fully customizable upon request.
| Parameter | Specification | Details |
|---|---|---|
| Model Identifier | PL-CP229 | Custom Large-Volume Series |
| Primary Material | High-Purity Virgin PTFE | USP Class VI / FDA Compliant Grade |
| Nominal Volume | 18,000 mL (18 Liters) | Custom volumes from 1L to 50L+ available |
| Operating Temperature | -200°C to +260°C | Sustained performance at extreme gradients |
| Chemical Resistance | Universal | Except molten alkali metals and fluorine gas |
| Trace Element Background | Ultra-Low / Analytical Grade | Optimized for ICP-MS and trace metal workflows |
| Fabrication Method | Full CNC Machining | Precision-turned from solid PTFE billet |
| Wall Thickness | Reinforced / Heavy-Duty | Calculated for structural integrity at 18L load |
| Neck Configuration | Customizable | Single, multiple, or threaded ports available |
| Surface Finish | < 0.5 μm Ra | Ultra-smooth interior to prevent adhesion |
| Closure Type | Threaded PTFE Cap / PFA Fitting | Hermetic sealing options available |
| Base Design | Flat or Round Bottom | Engineered for stability or heat transfer |
Why Choose This Product
- Bespoke Engineering Excellence: Every unit is treated as a custom project, allowing you to specify exact dimensions, neck angles, and port sizes to fit your existing laboratory infrastructure perfectly.
- Unmatched Material Integrity: We use only premium-grade, virgin fluoropolymers, ensuring that your critical samples are never compromised by fillers, recycled content, or manufacturing impurities.
- Extreme Durability: Designed for the rigors of industrial use, these flasks offer a service life that far exceeds standard consumables, providing a superior return on investment through reduced replacement costs.
- Traceability and Quality Control: Our manufacturing process includes rigorous inspection protocols to ensure that every custom machined part meets the strict tolerances required for high-purity fluid handling.
- Technical Partnership: Beyond simple supply, we provide consultation on material compatibility and design optimization to ensure the equipment performs flawlessly in your specific application.
For custom dimensions, specialized port configurations, or to receive a formal quotation for the PL-CP229 series, please contact our technical sales team to discuss your specific project requirements.
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Product Datasheet
Custom PTFE Flask Large Volume 18L Corrosion Resistant Low Background High Purity Chemical Vessel
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