PTFE reagent bottles are specialized laboratory containers designed for handling and storing aggressive chemicals, acids, and solvents. Their key features stem from the unique properties of PTFE (polytetrafluoroethylene), including exceptional chemical resistance, thermal stability, and durability. These bottles are constructed entirely of PTFE, including screw caps, and are available in wide-neck and narrow-neck designs for versatile use. They can withstand extreme temperatures ranging from -270°C to 280°C, making them suitable for both cryogenic and high-temperature applications. The heavy wall construction and smooth internal finish ensure leak-free performance, while the material's non-stick properties prevent contamination and facilitate easy cleaning. PTFE reagent bottles are ideal for storing strong acids like aqua regia, performing digestions, and handling corrosive agents safely.
Key Points Explained:
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Material Composition & Construction
- Made entirely of PTFE, including screw caps, ensuring uniform chemical resistance.
- Heavy wall construction provides durability and structural integrity.
- Smooth internal finish minimizes contamination risks and enables leak-free sealing.
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Temperature Resistance
- Operates continuously from -270°C to 250°C, with peak tolerance up to 280°C.
- Suitable for both cryogenic storage and high-temperature processes like acid digestions.
- Thermal expansion resistance maintains structural stability across temperature extremes.
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Chemical Compatibility
- Resists virtually all acids (including aqua regia), alkalis, and organic solvents.
- Non-reactive properties prevent chemical degradation or leaching.
- Ideal for storing corrosive agents and performing aggressive dissolutions.
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Functional Design Features
- Available in wide-neck (easier filling/cleaning) and narrow-neck (precise pouring) variants.
- PTFE screw caps ensure secure sealing and vapor containment.
- Graduated markings (when present) enable accurate volume measurement.
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Performance Advantages
- Non-stick surface prevents sample adhesion and simplifies decontamination.
- Low coefficient of friction facilitates smooth pouring and handling.
- Moisture/dust barrier properties protect sensitive reagents.
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Safety & Maintenance
- Inert nature eliminates risk of chemical interactions with stored substances.
- Smooth surfaces resist bacterial growth and enable sterilization.
- Durable construction withstands repeated autoclaving or aggressive cleaning.
Have you considered how these properties make PTFE bottles indispensable for trace metal analysis, where even minute contamination could skew results? Their ability to handle both concentrated acids and ultra-pure solvents positions them as silent guardians of analytical accuracy in modern labs.
Summary Table:
| Feature | Benefit |
|---|---|
| 100% PTFE construction | Uniform chemical resistance and durability |
| -270°C to 280°C range | Cryogenic to high-temperature applications |
| Resists all acids/solvents | Safe storage for aqua regia and corrosive agents |
| Wide/narrow neck options | Versatile filling, pouring, and cleaning |
| Non-stick smooth interior | Prevents contamination, easy decontamination |
| Leak-proof screw caps | Secure vapor containment and spill prevention |
Upgrade your lab's chemical handling with precision-engineered PTFE reagent bottles from KINTEK. Our PTFE components (including seals, liners, and custom labware) are trusted by semiconductor, medical, and industrial labs for their unmatched purity and durability. Request a quote for standard or custom designs tailored to your exact specifications – from prototypes to high-volume orders.